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3. Gooseneck Coupler
4. Coupler with Outer and Inner Tubex
5. Round Tubex

...38" Outer tube diameter: 4-1/2" Inner tube diameter: 4" Inner tube wall thickness: 0.24" Hole spacing: 2-11/16" from center of hole to center of hole Hole diameter: 7/8" Weight...

...hookup Hidden spring latching mechanism protects moving parts 2 Set screws secure inner tube at desired height Belly band on bottom of outer tube adds strength and durability Low-profile design gives a...

...Outer tube diameter: 4-1/4" Inner tube diameter: 4" Weight and Capacity: Capacity: 30,000 lbs...

...Easily adjustable design Cast locking plates and load-bearing pin included Specs: Ball: 2-5/16" Retracted height: 29-1/3" Range of adjustment: 8" Outer tube diameter: 4-1/2" Inner tube...

...adjustment: 8" Inner tube diameter: 4" Weight capacity: 25,000 lbs Limited 5-year warranty The BX1 gooseneck coupler from Bulldog is designed to provide the easiest, most secure hookup possible. The...

...Easily adjustable design Cast locking plates and load-bearing pin included Specs: Ball: 2-5/16" Retracted height: 29-5/16" Range of adjustment: 8" Outer tube diameter: 4-1/2" Inner tube...

...adjustable height 2 Set screws included Specs: Ball size: 2-5/16" Retracted height: 26-7/10" Outer tube diameter: 4-1/2" OD Inner tube diameter: 4" OD Range of adjustment: 8" Capacity...

...Features: Gooseneck coupler is strong, durable and easy to use SAE compliant Self-centering locking plate - engages even if you miss the ball by just over an inch Superior, high-strength steel...

...26-7/10" Outer tube diameter: 4-1/2" Inner tube diameter: 4" Range of adjustment: 8" Capacity: 25,000 lbs Limited 1-year warranty...

...adjustable height 2 Set screws included Set bolts need to be tightened to 125 ft/lbs Specs: Ball size: 2-5/16" Retracted height: 26-7/10" Outer tube diameter: 4-1/2" OD Inner tube diameter...

...attached to the ball Add a padlock (sold separately) to protect against thieves Round tube slides into your existing outer gooseneck coupler tube Made of powder coated steel with interior polyurethane...

...different loads, this coupler gives you the flexibility you need. Weld-On Installation for a Secure Fit For a permanent, secure connection, the outer tube is designed to weld directly to your trailer frame...

...Whether switching between trucks or adjusting for different loads, this coupler gives you the flexibility you need. Weld-On Installation for a Secure Fit For a permanent, secure connection, the outer tube...

...29-1/3" Range of adjustment: 8" Outer tube diameter: 4" Inner tube diameter: 3-1/4" Weight and Capacity: Capacity: 20,000 lbs...

...29-1/3" Range of adjustment: 8" Outer tube diameter: 4" Inner tube diameter: 3-1/4" Weight and Capacity: Capacity: 25,000 lbs...

...coat finish is corrosion resistant Includes an outer tube that welds onto the trailer Made in the USA Specs: Ball size: 2-5/16" Range of vertical adjustment: 11" Inner tube diameter: 4"...