Gooseneck Trailer Lock
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Product Code: 50057 Product Price: $79.95 Product Weight: 5.00 pounds |
More Information and Pricing
Ideal theft deterent for gooseneck style trailers. For use while parked and unhitched.
- 9-1/2" Wide
- Fits most gooseneck trailers
Gooseneck Trailer Lock
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Product Code: EZTL50-40D Product Price: $74.95 Product Weight: 5.00 pounds |
More Information and Pricing
- Fits most 2-5/16" gooseneck trailer couplers
- Easy to Install - place bracket over the the coupler, insert the pin, and attach padlock
Diagram of the lock housing.
King Pin Fifth Wheel Lock - Single Piece with Built in Lock
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Product Code: 50222 Product Price: $49.95 Product Weight: 5.00 pounds |
More Information and Pricing
Fifth Wheel Trailer King Pin Lock - protects fifth wheel trailers
- 1-piece design
- Works on all industry standard king pins
Lunette Ring Trailer Lock
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Product Code: 28023 Product Price: $90.95 Product Weight: 7.00 pounds |
More Information and Pricing
Lunette/Tow Ring Lock
- Fits 2-1/2" and 3" Diameter lunette rings
- Push-button high-security lock
- No additional tools required
- Stainless steel locking pin
- Powder coat finish
- Covers ball cavity
- High-strength body
- 1-Year limited warranty
Lunette Trailer Lock (2 piece)
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Product Code: EZTL60-40D Product Price: $54.95 Product Weight: 8.00 pounds |
More Information and Pricing
Tow/Lunette Ring Lock with Padlock
- Fits lunette rings with 2-1/2" and 3" inner diameters
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Picture of included Master Lock padlock. Padlock has 3/8" shackle. |
Master Lock 1-7/8" and 2" Trailer Coupler Lock
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Product Code: 377DAT Product Price: $34.95 Product Weight: 4.00 pounds |
More Information and Pricing
Master Lock Trailer Coupler Lock
- Guards Against Trailer Towaway Theft
- Fits Most 1-7/8" and 2" Ball Diameters of the following Coupler Brands:
- Reese, Fulton, Valley, Atwood, Putnam, Marvel, Ideal, Acme, Dutton-Lainson
- Advanced Locking Mechanism Resists Picking and Prying
- Easy to Install and Remove
- Resists Rust and Corrosion
- Lifetime Guarantee
Lock can be keyed alike so that the same key will work on multiple 377DAT locks. Simply select the keyed alike option above and then enter the number of locks needed.
Note: Cannot key the locks to match other styles of locks. Keyed alike option will only match other 377DAT locks.
Master Lock 2-5/16" Trailer Coupler Lock
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Product Code: 378DAT Product Price: $44.95 Product Weight: 5.00 pounds |
More Information and Pricing
Trailer Coupler Lock Guards against trailer towaway theft.
- Fits 2-5/16" (48 mm) ball diameter couplers of the following brands:
- Atwood
- Will not fit Flat Nose style couplers
- Reese
- Fulton
- Shelby
- Valley
- Dutton-Lainson
- Putnam
- Acme
- Ideal
- Advanced Locking Mechanism Resists Picking and Prying
- Easy to Install and Remove
- Lifetime Guarantee
Lock can be keyed alike so that the same key will work on multiple 378DAT locks. Simply select the keyed alike option above and then enter the number of locks needed.
Note: Cannot key the locks to match other styles of locks. Keyed alike option will only match other 378DAT locks.
Master Lock Adjustable Trailer Coupler Lock - Stainless Steel
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Product Code: 2847DAT Product Price: $17.95 Product Weight: 1.00 pounds |
More Information and Pricing
Master Lock Adjustable Trailer Coupler Lock for Latch Style Couplers
- Stainless steel prevents rust and corrosion
- 1/4" diameter pin
- Fits coupler latch widths of:
- 5/8" - most standard couplers
- 1" - most 2-5/16" ball couplers
- 2" - most wide latch couplings such as Atwood, Titan and more
Master Lock Hidden Shackle Padlock
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Product Code: 970DPF Product Price: $31.90 Product Weight: 3.00 pounds |
More Information and Pricing
Master Lock Hidden Shackle Trailer PadLock
- Features:
-
- Hardened solid steel body is strong, durable and resists corrosion
- Protected shackle design prevents prying, cutting and sawing
- 6 Pin cylinder for maximum pick resistance
- Specs:
-
- Measures 2-7/8" in diameter and 1-1/2" thick
- Hidden Shackle Opening: 1-11/16" wide x 9/16" tall x 1" deep
- 7/16" shackle diameter
970DPF Master Lock Hidden Shackle Hasp Guard Lock
Master Lock Shrouded Padlock
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Product Code: 37DAT Product Price: $13.99 Product Weight: 1.00 pounds |
More Information and Pricing
Master Lock Armored Shrouded Padlock
- Features:
-
- Armored hardened steel shackle defies cutting
- 1-9/16" laminated steel body for superior strength
- 4-pin tumbler cylinder helps prevent picking
- Shackle guard protects against bolt cutters and hacksaws
- Ideal for securing trailers, cables and chains
- Specs:
-
- Shackle with guard fits openings 1/2" in diameter or larger
- Shackle guard is removable to accommodate openings 9/32" in diameter
- Opening in the center of the lock measures 7/16" wide x 15/16" tall
Lock can be keyed alike so that the same key will work on multiple locks. Simply select the keyed alike option above and then enter the number of locks needed.
Note: Cannot key the locks to match other styles of locks. Keyed alike option will only match other 37DAT locks.
Padlock shown on Reese 16K fifth wheel. With fifth wheel trailer hitches the 37DAT padlock can be used not only to lock the fifth wheel trailer to the hitch, but also to lock the fifth wheel hitch to the rails in the pickup truck bed when used with the Reese Pull Pin Lock Plates (# 58093).
Master Lock Trigger Style Coupler Lock for 1-7/8" and 2" Couplers
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Product Code: 605DAT Product Price: $11.99 Product Weight: 1.00 pounds |
More Information and Pricing
Master Lock Trigger Lock for 1-7/8" and 2" Couplers
- 1/4" Shackle Diameter
- 11/16" Shackle Length
- Protected Case-Hardened Steel Shackle Resists Cutting and Sawing
- Built-In Anti-Sawing Pin for Maximum Protection
- Solid Brass Case for Corrosion Resistance
- Precision Pin Tumbler Mechanism for Superior Pick Resistance
Master Lock Universal Trailer Coupler Lock
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Product Code: 379DAT Product Price: $34.95 Product Weight: 3.00 pounds |
More Information and Pricing
Features:
- Deters trailer theft by fitting over the coupler, preventing hookup
- Designed for use when trailer is not in tow
- Constructed with a laminated, riveted steel frame for strength and durability
- Center section that fits inside coupler is finned steel - will not warp or bend
- Fits most 1-7/8", 2" and 2-5/16" ball couplers, including:
- Straight lip, rolled lip and surge brake/hydraulic couplers
- Reese, Fulton, Valley, Atwood, Shelby, Putnam, Bulldog, Dutton-Lainson and UFP couplers
- Boasts integrated, weather-resistant cover that keeps dirt and moisture out of keyway
- Includes 2 keys
- Limited lifetime warranty
379DAT Master Lock Universal-Fit Trailer Coupler Lock
Coupler and Pintle Pin - 1/4"
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Product Code: 63020 Product Price: $3.19 Product Weight: 0.50 pounds |
More Information and Pricing
Tow Ready Safety Pin for trailer couplers, pintle hooks, and pintle combo.
- Diameter: 1/4"
- Length: 1-3/4"
Replaces # 43030
Curt Coupler Safety Pin, 1/4"
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Product Code: K-8P Product Price: $3.95 Product Weight: 1.00 pounds |
More Information and Pricing
Curt Safety Pin
- 1/4" diameter pin with latch
Rack'em Manufacturing Lock'em Magnum Wheel Lock
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Product Code: RA-25 Product Price: $99.95 Product Weight: 10.00 pounds |
More Information and Pricing
Rack'em Manufacturing's Lock'em Wheel Lock
This lock can be used to deter theft on almost anything with wheels. It fits most wheel types and sizes. Just slide the lock together on the wheel to lock and use the key to open. Quick, easy to use lock leaves your trailer, truck, equipment, etc. unable to roll.
- Fits 12" - 20" wheels
- One side works on 12"-15" wheels, the other 15"-20" wheels
Trailer Coupler Lock - Butterfly Style
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Product Code: 3008 Product Price: $7.99 Product Weight: 0.50 pounds |
More Information and Pricing
Butterfly style trailer coupler lock. Works with most straight tongue style couplers. Includes two keys.
- 1/4" pin diameter
- Spans 3/4"
Tow Ready by Draw-Tite, Hidden Hitch and Reese # 63225
Trailer Coupler Lock - Deadbolt Style 1/2" Span
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Product Code: 7690 Product Price: $19.95 Product Weight: 2.00 pounds |
More Information and Pricing
Coupler lock for tab style trailer couplers
- Pin Diameter: 1/4"
- Inside Width: 1/2"
- Overall Length: 4-1/8"
- Dead bolt receiver style with flush locking design
- Covered key slot prevents corrosion
- Helps prevent coupler release from ball while trailer is in tow
- Helps prevent attaching to an unattended trailer
- Multiple locks are available keyed alike
- Simply select the keyed alike option from the drop down menu above and enter the number of locks needed into the quantity box.
CT Johnson # RC2; Draw-Tite # 7690
Trailer Coupler Lock - Deadbolt Style 2" Span
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Product Code: 7691 Product Price: $21.95 Product Weight: 2.00 pounds |
More Information and Pricing
Features:
- Coupler lock for 2" span couplers
- Dead bolt receiver style with flush locking design
- Covered key slot prevents corrosion
- Silver colored key
- Zinc dichromax pin finish
- Helps prevent coupler release from ball
- Helps prevent attaching unattended trailer to ball
- Pin diameter: 1/4"
- Pin length: 2"
- Multiple locks are available keyed alike:
- Select the keyed alike option from the drop down menu above
- Enter the number of locks needed into the quantity box
- Made in USA
RC3 CT Johnson Trailer Coupler Lock
Trailer Coupler Lock - Deadbolt Style 7/8" Span
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Product Code: RC6 Product Price: $19.95 Product Weight: 2.00 pounds |
More Information and Pricing
Coupler lock for tab style couplers
- Pin Diameter: 1/4"
- Dead Bolt Receiver Style with Flush Locking Design
- Covered Key Slot Prevents Corrosion
- Silver Colored Key
- Helps Prevent Coupler Release From Ball
- Helps Prevent Attaching Unattended Trailer To Ball
- Multiple Locks are Available Keyed Alike
- Simply select the keyed alike option from the drop down menu above and enter the number of locks needed into the quantity box.
Trailer Coupler Lock - Deadbolt Style for Surge Brake with 2-1/2" Span
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Product Code: 7692 Product Price: $21.95 Product Weight: 2.00 pounds |
More Information and Pricing
Features:
- Coupler lock for most surge brake style couplers
- Pin diameter: 1/4"
- Dead bolt receiver style with flush locking design
- Silver colored key
- Zinc dichromax pin finish
- Covered key slot helps prevent corrosion
- Helps prevent attaching unattended trailer to ball
- Multiple locks are available keyed alike
- Select the keyed alike option from the drop down menu above
- Enter the number of locks needed into the quantity box
- Made in USA
RC4 CT Johnson Coupler Lock
Trailer Coupler Lock - Deadbolt Style for Surge Brake Couplers with 3-3/8" Span
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Product Code: 28012 Product Price: $21.95 Product Weight: 1.00 pounds |
More Information and Pricing
Trailer Coupler lock for lever style coupler requiring 3-3/8" span - typically seen on hydraulic actuators.
- Dead Bolt Receiver Style with Flush Locking Design
- Pin Diameter: 1/4"
- Span: 3-3/8"
- Covered key slot prevents corrosion
- Locks trailer to trailer hitch ball when towing
- Prevents theft when trailer is unattended
- Pin Diameter: 1/4"
- All weather grips for improved handling in extreme environments
- Made in the USA
- Multiple locks are available keyed alike
- Simply select the keyed alike option from the drop down menu above and enter the number of locks needed into the quantity box.
- Works as a secondary lock for GearSpace 34 cargo carriers (#59105 & #59106)
CT Johnson 28012 (RC5)
Tow Ready 63213
Rola 59104
Trailer Coupler Lock - Gorilla Guard for 2" Couplers
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Product Code: 63228 Product Price: $39.95 Product Weight: 2.00 pounds |
More Information and Pricing
Gorilla Guard Coupler Lock for 2" Trailer Couplers by Draw-Tite, Hidden Hitch and Reese
- Features:
-
- Fits 2" Couplers
- Easy Single Action Key
- Protects Unattended Trailers
- Design Shields Lock From Tampering Devices
- Specs:
- Fits most 2" trailer couplers
- Coupler width (including lip) cannot exceed 3-13/16"
- Height of coupler lip cannot be greater than 5/16"
Replaces # 5203
Trailer Coupler Lock - Gorilla Guard For 2-5/16" Couplers
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Product Code: 63227 Product Price: $39.95 Product Weight: 3.00 pounds |
More Information and Pricing
Fulton Gorilla Guard Coupler Lock for 2-5/16" Trailer Couplers
- Features:
-
- Fits 2-5/16" Couplers
- Easy Single Action Key
- Protects Unattended Trailers
- Design Shields Lock From Tampering Devices
- Specs:
- Fits most 2-5/16" trailer couplers
- Coupler width (including lip) cannot exceed 4-1/8"
- Height of coupler lip cannot be greater than 5/16"
- One-year limited warranty
63227 Tow Ready Trailer Coupler Lock
Replaces # 5204
Trailer Coupler Safety Lock Pin - 5/16"
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Product Code: 80235 Product Price: $2.75 Product Weight: 0.25 pounds |
More Information and Pricing
Trailer Coupler Safety Lock Pin
- 5/16" Diameter
- 2-3/4" Long
Trailer Hitch Receiver & Coupler Lockset - 1-1/4" Trailer Hitch Receiver
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Product Code: 7684 Product Price: $36.95 Product Weight: 4.00 pounds |
More Information and Pricing
Trailer Hitch Receiver and Trailer Coupler Lock Set
- Kit includes 2 locks - keyed alike
- Hitch lock secures ball mount to trailer hitch receiver
- Coupler latch lock secures trailer to ball mount
- All locks have:
- Covered key slot prevents corrosion
- Double-chrome plating for maximum rust resistance
- Patented, pick-proof, screw-and-lock security
- Hitch lock (# 7682) fits 1-1/4" x 1-1/4" trailer hitches (class I and class II)
- Pin diameter: 1/2"
- Inside width: 1-5/8"
- Overall length: 5"
- Coupler lock (# 7690) fits trigger style trailer couplers with a 1/4" hole
- Pin Diameter: 1/4"
- Inside Width: 1/2"
- Overall Length: 4-1/8"
- Multiple locks are available keyed alike
- Simply select the "keyed alike" option from the drop down menu above and enter the number of locks needed into the "quantity" box
- Made in the USA
RHC22 CT Johnson DeadBolt Trailer Hitch and Coupler Lock - Keyed Alike
DeadBolt Trailer Hitch Receiver & Coupler Lockset - 2" Trailer Hitch Receiver
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Product Code: 7685 Product Price: $37.95 Product Weight: 4.00 pounds |
More Information and Pricing
Trailer Hitch Receiver and Trailer Coupler Lock Set
- Kit includes 2 locks - keyed alike
- Hitch lock secures ball mount to trailer hitch receiver
- Coupler latch lock secures trailer to ball mount
- All locks have:
- Covered key slot prevents corrosion
- Double-chrome plating for maximum rust resistance
- Patented, pick-proof, screw-and-lock security
- Hitch lock (# 7683) fits 2" x 2" trailer hitches (class III and class IV)
- Pin diameter: 5/8"
- Inside width: 2-5/8"
- Overall length: 6"
- Coupler lock (# 7690) fits trigger style trailer couplers with a 1/4" hole
- Pin Diameter: 1/4"
- Inside Width: 1/2"
- Overall Length: 4-1/8"
- Multiple locks are available keyed alike
- Simply select the "keyed alike" option from the drop down menu above and enter the number of locks needed into the "quantity" box
RHC32 CT Johnson DeadBolt Trailer Hitch and Coupler Lock - Keyed Alike
Master Lock Trailer Hitch Receiver Lock and Coupler Lock Set - 1-1/4" and 2" Hitches
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Product Code: 3794DAT Product Price: $59.95 Product Weight: 3.00 pounds |
More Information and Pricing
Features:
- Towing kit includes 3 locks for ultimate security
- Universal-fit coupler lock deters trailer theft by fitting over the coupler, preventing hookup
- Designed for use when trailer is not in tow
- Constructed with a laminated, riveted steel frame for strength and durability
- Center section that fits inside coupler is finned steel - will not warp or bend
- Coupler latch lock keeps others from releasing your trailer once it is hooked up
- Stainless steel construction is durable and rustproof
- Adjustable lock with 6 locking positions fits:
- 5/8" Latch width - most standard couplers
- 1" Latch width - most 2-5/16" ball couplers
- 2" Latch width - most wide-latch ball couplers
- Trailer hitch receiver lock is used in place of standard pin and clip to prevent theft of ball mount or accessories such as cargo carriers and bike racks
- Patented, stainless steel swivel head rotates 360 degrees for easy access
- Brass keyway with aluminum casing conveniently faces toward you, not off to the side
- Included sleeve changes the pin diameter so that lock will work with both 1-1/4" and 2" hitch receivers
- Chrome-plated steel is durable and corrosion resistant
- All locks have integrated keyhole covers to keep out dirt and moisture
- 3 Keyed-alike keys and convenient storage bag included
Specs:
- Coupler lock fits most 1-7/8", 2" and 2-5/16" ball couplers including:
- Straight lip, rolled lip and surge brake/hydraulic couplers
- Reese, Fulton, Valley, Atwood, Shelby, Putnam, Bulldog, Dutton-Lainson and UFP couplers
- Pin diameter of coupler latch lock: 1/4"
- Pin diameter of receiver lock: 1/2" (5/8" with adapter sleeve)
- Inside pin length of receiver lock (span): 2-3/4"
- Limited lifetime warranty
3794DAT Master Lock Coupler Lock, Swivel Head Receiver Lock and Coupler Latch Lock
Replaces 3774DAT
Trailer Sentry Boat Trailer Anti-Theft Alarm System by Master Lock
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Product Code: 4840DATSEN Product Price: $41.60 Product Weight: 3.00 pounds |
More Information and Pricing
Trailer Sentry Boat Trailer Anti-Theft Alarm System by Master Lock
Trailer Sentry Boat Trailer Anti-Theft Alarm System by Master Lock provides a new way to secure a trailer to a vehicle. The patent pending system continually monitors the trailer's lighting circuit and triggers a remote alarm if the trailer is disconnected from the vehicle or if the wires are cut. It works alongside any mechanical security devices to offer a new level of security, convenience and peace of mind.
- Provides electronic security through a 110 decibel alarm siren that sounds when the trailer wiring is cut or disconnected
- Acts as a power module to deliver needed power directly to the trailer from the vehicle battery
- Alarm mounts under the hood and power module mounts under the vehicle with a voltage sensor to prevent battery run down
- Detects if a light is burned out
- Revolutionary theft protection for your boat trailer
- Fully submersible
- Trailer lights can be disconnected via the remote while trailer is submersed in water
- Features remote lighting cut-off
- Includes 1 fob
- Simple installation
4840DATSEN - Trailer Sentry Boat Trailer Anti-Theft Alarm System by Master Lock
7/8" Wide Trailer Coupler Latch Lock by Master Lock
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Product Code: 2878DAT Product Price: $9.99 Product Weight: 2.00 pounds |
More Information and Pricing
7/8" Wide Trailer Coupler Latch Lock by Master Lock
- 7/8" shackle fits most popular trailer coupler latch widths
- Covered keyway resists moisture, dirt, and corrosion
- Removable Python cylinder
- Ergonomic handle for easy installation
- Limited lifetime warranty
2878DAT - 7/8" Wide Trailer Coupler Latch Lock by Master Lock
HITCH-LOCK Trailer Guard Coupler Lock by Dutton-Lainson
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Product Code: DL13980 Product Price: $18.95 Product Weight: 3.00 pounds |
More Information and Pricing
HITCH-LOCK Trailer Guard
The Hitch-Lock bolts to the bottom of the coupler and has a removable plate that extends out directly below where the ball goes in. With the plate angled up, the trailer is protected from someone trying to hitch up to it. When towing a trailer with the plate angled down, it prevents someone from removing the hitch ball already in the coupler.
- Protects both attached and unattached trailers
- Patented design shields padlock from bolt cutters and hacksaws
- Padlock sold separately
- Zinc plated TUFFPLATE finish
- Zinc plated yellow chromate TUFFPLATE finish has three times the corrosion resistance of standard zinc plated trivalent chrome process and 30 percent greater corrosion resistance when compared to powder coated finish. Results of lab test using 5 percent neutral salt spray confirms our TUFFPLATE finish provides in excess of 500 hours against First Red Rust and in excess of 100 hours of First White Corrosion.
- Made in the USA
13980 HITCH-LOCK Trailer Guard by Dutton-Lainson Model 6298
ToyLok 18' Retractable Cable with King Pin Mount by Fifth Gear
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Product Code: TL1020-002 Product Price: $139.13 Product Weight: 18.00 pounds |
More Information and Pricing
ToyLok Advanced Security Retractable Cable Lock with Fifth Wheel Trailer King Pin Mount by Fifth Gear
Loop it, lock it, and leave it. The ToyLok Cable Lock with Fifth Wheel King Pin Mount makes it impossible for scavengers to swipe your trailer or your outdoor gear. The Toylok mount wraps around the fifth wheel trailer king pin and when used with a lock will keep others from being able to hook up to it. The outside location of the Toylok is in a perfect spot to have access to the 18' long retractable cable. It's long enough to secure all your outdoor camping gear from your barbeque pit to ATV's. The powder coat finish resists rust and corrosion while aluminum cable guides and stainless steel ends ensure a longer life. PVC coating around the cable prevents scratching and safety breaks are included to slow retraction when you decide it's time to move to the next site.
Features:
- Galvanized steel cable
- PVC coated to reduce scratching
- Cut resistant
- Stainless steel ends with billet aluminum cable guides and brake for a longer life
- Powder coat chip resistant finish on housing to resist corrosion
- Prevents theft of fifth wheel trailer and outdoor gear
- Great to lock up camping gear, ATV, lawn chairs, bikes, bar-b-que pit, or whatever else you want to keep safe
- Requires locks, sold separately
- Padlock required for cable lock - Master Lock Shrouded Padlock works great (# 37DAT)
- Hitch lock required to secure mount around king pin - can use any 5/8" diameter hitch lock, such as # 5201
- Retractable cable, so you can make it only as long or as short as needed
Specs:
- 3/8" diameter cable
- 18' long retractable cable
- Padlock hole measures 3/8" in diameter
- Housed in 11 gauge welded steel box
- Toylok Mount fits around fifth wheel trailer king pin (requires pin and clip or lock - sold separately)
- 1 Year Manufacturer's Warranty


Exploded diagram of the fifth wheel king pin mount and ToyLok retractable cable lock.

Diagram of the inside to ToyLok. Both the guides and the brake used to slow retraction are constructed of billet aluminum for a longer life.

To secure the ToyLok cable, you can use a padlock (sold separately) and loop the cable back to its housing. You can also utilize the length of the cable and lock the stainless steel end back to the cable itself (not shown).

ToyLok with king pin mount locked to the trailer king pin. This prevent trailer theft and secures the ToyLok cable mount at its location.
TL1020 ToyLok Advanced Security 18 Foot Retractable Cable with TL002 Fifth Wheel Trailer King Pin Mount
Toylok Retractable Cable 5th Wheel Trailer King Pin Mount by Fifth Gear
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Product Code: TL002 Product Price: $31.95 Product Weight: 2.00 pounds |
More Information and Pricing
ToyLok 5th Wheel Trailer King Pin Mount by Fifth Gear
- Fits around the 5th wheel trailer king pin
- Prevents theft of 5th wheel trailer when used with a 5/8" diameter (2" - class III) hitch lock (sold separately)
- Provides a secure ToyLok mount
- King pin mount provides a great campsite location to lock up your grill, ATV, generator, or any other outside gear
- ToyLok sold separately
- Compatible with ToyLok Advanced Security Retractable Cable Lock #TL1020

Exploded diagram of fifth wheel king pin mount and ToyLok.


ToyLok with king pin mount secured to king pin with a lock (sold separately).
TL002 ToyLok King Pin Mount by Fifth Gear
Trailer Coupler Towing Lock - Single Arm for 2-1/2" Wide Ball Mount Platform
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Product Code: 63235 Product Price: $19.95 Product Weight: 5.00 pounds |
More Information and Pricing
Tow Ready Single Arm Trailer Coupler Lock for 2-1/2" Ball Mount by Draw-Tite, Hidden Hitch and Reese
Lock attaches around the trailer hitch ball mount and trailer coupler to better secure the connection between the tow vehicle and trailer.
- Helps prevent accidental decoupling
- Locks to secure trailer ball mount
- Will want a 2" hitch lock to secure ball mount to vehicle
- Two piece construction
- Designed for 2-1/2" wide ball mount platform with a 1" ball hole
63235 Tow Ready Single Arm Trailer Towing Coupler Lock
Trailer Coupler Towing Lock - Dual Arm for 2-1/2" Wide Ball Mount Platform
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Product Code: 63236 Product Price: $24.95 Product Weight: 6.00 pounds |
More Information and Pricing
Tow Ready Dual Arm Trailer Coupler Lock for 2-1/2" Ball Mount by Draw-Tite, Hidden Hitch and Reese
Lock attaches around the trailer hitch ball mount and trailer coupler to better secure the connection between the tow vehicle and trailer.
- Helps prevent accidental decoupling
- Locks to secure trailer ball mount
- Will want a 2" hitch lock to secure ball mount to vehicle
- Two piece construction
- Designed for 2-1/2" wide ball mount platform with a 1" ball hole
63236 Tow Ready Dual Arm Trailer Towing Coupler Lock
Trailer Coupler Towing Lock - Single Arm for 3" Wide Ball Mount Platform
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Product Code: 63237 Product Price: $29.95 Product Weight: 5.00 pounds |
More Information and Pricing
Tow Ready Single Arm Trailer Coupler Lock for 3" Ball Mount by Draw-Tite, Hidden Hitch and Reese
Lock attaches around the trailer hitch ball mount and trailer coupler to better secure the connection between the tow vehicle and trailer.
- Helps prevent accidental decoupling
- Locks to secure trailer ball mount
- Will want a 2" hitch lock to secure ball mount to vehicle
- Two piece construction
- Designed for 3" wide ball mount platform with a 1" ball hole
- Thickness of ball mount platform cannot exceed 13/16"
- Will not fit the following ball mounts - Ultra Frame, Forged, and 2-1/2" Titan
63237 Tow Ready Single Arm Trailer Towing Coupler Lock
Trailer Coupler Towing Lock - Dual Arm for 3" Wide Ball Mount Platform
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Product Code: 63238 Product Price: $25.95 Product Weight: 6.00 pounds |
More Information and Pricing
Tow Ready Dual Arm Trailer Coupler Lock for 3" Ball Mount by Draw-Tite, Hidden Hitch and Reese
Lock attaches around the trailer hitch ball mount and trailer coupler to better secure the connection between the tow vehicle and trailer.
- Helps prevent accidental decoupling
- Locks to secure trailer ball mount
- Will want a 2" hitch lock to secure ball mount to vehicle
- Two piece construction
- Designed for 3" wide ball mount platform with a 1" ball hole
- Thickness of ball mount platform cannot exceed 13/16"
- Will not fit the following ball mounts - Ultra Frame, Forged, and 2-1/2" Titan
63238 Tow Ready Dual Arm Trailer Towing Coupler Lock
Diversi-Tech Universal Trailer Coupler Lock for 1-7/8", 2" and 2-5/16" Couplers
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Product Code: DT25013 Product Price: $40.85 Product Weight: 3.00 pounds |
More Information and Pricing
Features:
- Universal design protects most trailers from being towed away
- Multistep Uni-ball fits into any size ball coupler
- Unique bend in reversible shackle lets it snug up tight to most types of couplers or coupler latches, including:
- A-frame, straight channel, round tongue, flat plate and surge-type couplers
- Trigger, pin, thumb and wraparound yoke latches
- Tube key lock cylinder provides better security than standard key mechanisms
- Harder to pick
- More difficult to duplicate keys
- Anti-drill pin discourages attempts to drill out the lock
- Bolt-blocked locking system prevents thieves from prying the lock open
- Uses internal bolts to engage the shackle's notches
- Hardened, chrome-plated shackle and nickel-plated housing
- 4 Keys included
Specs:
- Fits most 1-7/8", 2" and 2-5/16" ball couplers
- Maximum coupler width: 4-1/2"
- Shackle diameter: 5/8"
- Limited lifetime warranty

This close-up bottom view shows the solid steel bolt in the locked position where it would engage the shackle. (The shackle has been removed to show the bolt.)






The above images show the lock in use on several types of trailer couplers

DT-25013 Diversi-Tech Maximum Security Trailer Coupler Lock
Diversi-Tech Universal Coupler Lock for 1-7/8", 2" and 2-5/16" Couplers - Keyed Alike
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Product Code: DT25013KA Product Price: $42.95 Product Weight: 3.00 pounds |
More Information and Pricing
Features:
- Universal design protects most trailers from being towed away
- Multistep Uni-ball fits into any size ball coupler
- Unique bend in reversible shackle lets it snug up tight to most types of couplers or coupler latches, including:
- A-frame, straight channel, round tongue, flat plate and surge-type couplers
- Trigger, pin, thumb and wraparound yoke latches
- Tube key lock cylinder provides better security than standard key mechanisms
- Harder to pick
- More difficult to duplicate keys
- Anti-drill pin discourages attempts to drill out the lock
- Keyed alike option lets you order as many locks as you need that all work with the same key
- Bolt-blocked locking system prevents thieves from prying the lock open
- Uses internal bolts to engage the shackle's notches
- Hardened, chrome-plated shackle and nickel-plated housing
- 4 Keys included
Specs:
- Fits most 1-7/8", 2" and 2-5/16" ball couplers
- Maximum coupler width: 4-1/2"
- Shackle diameter: 5/8"
- Limited lifetime warranty

This close-up bottom view shows the solid steel bolt in the locked position where it would engage the shackle. (The shackle has been removed to show the bolt.)






The above images show the lock in use on several types of trailer couplers

DT-25013KA Diversi-Tech Maximum Security Trailer Coupler Lock
Stainless Steel Trailer Coupler Lock - Deadbolt Style 1/2" Span
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Product Code: RC2SS Product Price: $24.95 Product Weight: 2.00 pounds |
More Information and Pricing
Stainless Steel Coupler lock for tab style trailer couplers
- Pin Diameter: 1/4"
- Inside Width: 1/2"
- Overall Length: 4-1/8"
- Dead bolt receiver style with flush locking design
- Covered key slot prevents corrosion
- Helps prevent coupler release from ball while trailer is in tow
- Helps prevent attaching to an unattended trailer
- Works well on several Swagman wheel-mount style bike racks to lock bikes to the rack
- Multiple locks are available keyed alike
- Simply select the keyed alike option from the drop down menu above and enter the number of locks needed into the quantity box.
CT Johnson # RC2-SS
Stainless Steel Trailer Coupler Lock - Deadbolt Style 7/8" Span
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Product Code: RC6SS Product Price: $24.95 Product Weight: 2.00 pounds |
More Information and Pricing
Stainless Steel Coupler lock for tab style trailer couplers
- Pin Diameter: 1/4"
- Dead Bolt Receiver Style with Flush Locking Design
- Covered Key Slot Prevents Corrosion
- Silver Colored Key
- Helps Prevent Coupler Release From Ball
- Helps Prevent Attaching Unattended Trailer To Ball
- Multiple Locks are Available Keyed Alike
- Simply select the keyed alike option from the drop down menu above and enter the number of locks needed into the quantity box.
CT Johnson # RC6-SS
Master Lock Universal Heavy-Duty Coupler Lock for Gooseneck, Fifth Wheel and Lunette Ring Trailers
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Product Code: 2989AT Product Price: $99.95 Product Weight: 8.00 pounds |
More Information and Pricing
Features:
- Fits fixed and adjustable gooseneck couplers, lunette eyes and king pins
- Offers increased durability with laminated steel frame construction
- Withstands the elements with ultrasonic, welded plastic housing and PVC key cover
Specs:
- Dimensions: 12-1/4" long x 6-1/2" wide x 5-1/2" tall
- Limited lifetime warranty
The detachable center piece secures the king pin when used on fifth wheel trailers. To use on lunette rings and gooseneck trailers, simple remove the center piece. Then slide in the ratcheting hook until the lock is clamped around the lunette ring or coupler.
2989AT Master Lock Universal Heavy-Duty Coupler Lock for Gooseneck, Lunette Eye, Fifth Wheel and King Pin
CT Johnson DeadBolt 5th Wheel Trailer King Pin Lock
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Product Code: KPL Product Price: $29.95 Product Weight: 2.00 pounds |
More Information and Pricing
Features:
- Collar-style lock fits around 5th-wheel king pin
- Heavy-duty, 1-piece, aircraft-grade aluminum construction (collar)
- Rust resistant
- Tamper resistant
- Steel lock is double chrome plated for maximum rust resistance
- All weather grips for improved handling in extreme environments
- Made in the USA
- Covered key slot prevents corrosion
- 2 Keys included
- Multiple locks can be ordered keyed alike by selecting "Keyed Alike" option from drop-down menu above
- Lock can be keyed alike with any other CT Johnson DeadBolt locks by selecting "Keyed Alike" option for all locks that you order
- Made in USA
Specs:
- Pin diameter: 5/8"
- Inner width: 2-11/64"
- Outer width: 3-55/64"
- Height: 2-1/3"
- 1-Year warranty
KPL CT Johnson DeadBolt King Pin Lock
Replaces V75682
DeadBolt BLOCKHEAD Coupler Lock for 1-7/8" and 2" Couplers
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Product Code: TCL1 Product Price: $34.95 Product Weight: 2.00 pounds |
More Information and Pricing
Features:
- Sturdy lock is designed for couplers with rolled lips
- Heat-treated steel pin inserts into coupler, and collar slides over lip
- Heavy-duty extruded tempered aluminum body
- Power coat finish
- Rust resistant
- Tamper resistant
- Push-button lock is positioned on front for easy access
- Shuttered key opening keeps lock from clogging and/or freezing
- Double-sided, automotive-style keys are easy to use - includes 2 keys
- Multiple locks can be ordered keyed alike by selecting "Keyed Alike" option from drop-down menu above
- Lock can be keyed alike with any other CT Johnson locks by selecting "Keyed Alike" option for all locks that you order
- Use the same key for your coupler, coupler latch and hitch locks
- Made in USA
Specs:
- Fits: 1-7/8" and 2" couplers
- Maximum coupler width (including lip): 3-3/4"
- 1-Year warranty
TCL-1 CT Johnson DeadBolt Trailer Coupler Lock - The Block Head