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, 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 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.

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.

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.

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.

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.

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.

This kit provides locks for your trailer hitch reciver and coupler, a stop collar so you don't have to bend down to check your hitch pin hole alignment, and a convenient bag to store your ball mounts, tie-down straps, and other accessories.

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.

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.

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 unattended trailer safe from theft with this universal coupler lock that features a dual-ratchet locking system. Hardened steel lock with ballistic grade nylon housing fits 1-7/8", 2", and 2-5/16" ball couplers.

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 trigger-style, latch-style, or handwheel-style coupler. Padlock sold separately.

Keep your unattended trailer safe from theft with this universal coupler lock that features a dual-ratchet locking system. Die-cast hardened steel frame fits 1-7/8", 2", and 2-5/16" ball couplers.

Heavy-duty, solid steel coupler lock fully surrounds ball coupler to deter theft of your parked trailer. Powder coating resists rust and corrosion. Threaded ball easily engages ball socket. Includes 2" and 2-5/16" balls and 2 keys.

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

Convenient kit includes a stainless steel trailer hitch receiver lock and a stainless steel latch lock with an easy-to-use swivel head for your trailer's coupler. Fits 2" x 2" hitches.

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