Use this sturdy, rustproof aluminum coupler lock with high-visibility yellow color to help prevent trailer towaway theft. Fits trigger-style, 2-5/16" ball couplers with flat lips. Can be keyed alike to match other etrailer locks.

Use this sturdy, rustproof aluminum coupler lock with high-visibility yellow color to help prevent trailer towaway theft. Fits trigger-style, 1-7/8" and 2" ball couplers with flat lips. Can be keyed alike to match other etrailer locks.

Use this sturdy, rustproof aluminum coupler lock with a sleek silver powder coat to help prevent trailer towaway theft. Fits standard 1-7/8" and 2" ball couplers with flat lips. Can be keyed alike to match other etrailer locks.

Use this sturdy, rustproof aluminum coupler lock with a sleek silver powder coat to help prevent trailer towaway theft. Fits standard, 2-5/16" ball couplers with flat lips. Can be keyed alike to match other etrailer locks.

Designed primarily for brake actuators that lock through the body, this lock has a covered keyhole and chrome plating to help prevent corrosion. Steel construction ensures long-lasting dependability. Can be keyed alike to match other etrailer locks.

Keyed-alike lockset makes it easy to secure your ball mount to your trailer and then your trailer to the ball mount. Covered keyholes and chrome plating help prevent corrosion, and sturdy steel construction ensures long-lasting dependability.

Designed primarily for brake actuators that lock through the body, this lock has a covered keyhole and chrome plating to help prevent corrosion. Steel construction ensures long-lasting dependability. Can be keyed alike to match other etrailer locks.

Swivel-head, side-entry lock has 5 locking positions, giving you a perfectly sized span to fit almost any coupler, including sleeve-lock couplers. Covered keyhole and chrome plating resist corrosion. Can be keyed alike to match other etrailer locks.

This rustproof, stainless steel lock is designed to fit latch-style trailer couplers. Covered keyhole helps to prevent internal corrosion. Can be keyed alike to match other etrailer locks.

Designed for latch-style trailer couplers, this coupler lock has a covered keyhole and chrome plating to help prevent corrosion. Sturdy steel construction ensures long-lasting dependability. Can be keyed alike to match other etrailer locks.

Designed for latch-style trailer couplers, this lock has a covered keyhole and chrome plating to help prevent corrosion. Sturdy steel construction ensures long-lasting dependability. Can be keyed alike to match other etrailer locks.

Designed for both yoke-style and latch-style couplers, this lock has a covered keyhole and chrome plating to help prevent corrosion. Sturdy steel construction ensures long-lasting dependability. Can be keyed alike to match other etrailer locks.

This rustproof, stainless steel coupler lock is designed to fit latch-style trailer couplers. Covered keyhole helps to prevent internal corrosion. Can be keyed alike to match other etrailer locks.

Protect almost any trailer from theft with this universal coupler lock. Uses a unique "ball" and shackle to fit a variety of coupler sizes and styles. Secures trailer when it is not in tow. Can be keyed alike to match other Fastway locks.

This universal 3-ball trailer coupler lock offers security whether your trailer is hitched up to your vehicle or left unattended. Latch lock secures the coupler when your trailer is hooked up and when the lock ball is inserted during storage.

Fight back against trailer thieves with this rugged, rustproof aluminum trailer coupler lock. Simple yet effective, it deters towaway theft of your trailer that has a Bulldog Collar-Lok coupler. Includes stainless steel padlock.

Keep your trailer safe from towaway theft with this universal coupler lock. Its tough frame fits in and around most 1-7/8", 2", and 2-5/16" ball couplers; and it has a bright red color and heavy-duty construction to deter theft.

Lockset includes a sturdy aluminum coupler lock to prevent towaway theft, a 1/4" diameter latch lock to ensure that your trailer won't be unhooked from the coupler, and a 2" trailer hitch receiver lock. Keys work with all three locks.

Protect just about any trailer from theft with this universal coupler lock, which uses a unique "ball" and shackle to fit a variety of coupler sizes and styles. Secures trailer when it is not in tow.

Sturdy, rustproof aluminum lock discourages towaway trailer theft by fully enclosing your Bulldog Collar-Lok coupler that fits 2-5/16" hitch balls. Can be keyed alike to match other Blaylock push-button locks.

Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits standard 2-5/16" ball couplers with no lips. Resists picking, cutting, drilling, and freezing. Tumbler offers nearly 1 million possible key codes.

Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits standard 2-5/16" ball couplers with flat lips. Resists picking, cutting, drilling, and freezing. Tumbler offers nearly 1 million possible key codes.

Fight back against trailer thieves with this rugged, rustproof aluminum trailer coupler lock. Simple yet effective, it deters towaway theft of your trailer that has a Bulldog Collar-Lok coupler. Padlock sold separately.