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.

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. 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.

Keep your trailer safe from theft with this universal coupler lock that features a dual-ratchet locking system. Its tough frame 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-, latch-, or handwheel-style coupler. Includes stainless steel padlock.

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.

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.

This universal coupler lock protects your trailer from towaway theft. Lock codes to your vehicle's ignition key, and it's nearly impossible to pick or bump. Included lock, base plate with ball, and shackle fit most coupler and latch styles.

This coupler lock kit helps prevent your trailer and gear from being stolen when you're not using it. Simply insert the ball into your coupler, connect the shackle, and lock it down. Also includes locking hitch pin and padlock-style coupler lock.

This universal coupler lock protects your trailer from towaway theft. Lock codes to your vehicle's ignition key, and it's nearly impossible to pick or bump. Included lock, base plate with ball, and shackle fit most coupler and latch styles.

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

Heavy-duty, stainless steel lock provides superior security when locking your Demco eZ-Latch trailer coupler. Third-party-tested pin has a 42,000-lb shear strength.

This universal coupler lock protects your trailer from towaway theft. Lock codes to your vehicle's ignition key, and it's nearly impossible to pick or bump. Included lock, base plate with ball, and shackle fit most coupler and latch styles.

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

This coupler lock helps prevent your trailer from being stolen when you're not using it. It's super easy to install. Simply insert the ball into your coupler, connect the shackle, and use the included key to lock it down. Fits most couplers.

Guard against trailer towaway theft with this universal-fit coupler lock. Durable steel frame fits around 1-7/8", 2" and 2-5/16" ball couplers, providing both a visible and mechanical theft deterrent.

Chrome-plated die-cast zinc trailer coupler lock guards against trailer towaway theft. Fits most 1-7/8", 2", and 2-5/16" ball diameters. Comes keyed alike if ordering more than one lock.

This universal coupler lock protects your trailer from towaway theft. Lock codes to your vehicle's ignition key, and it's nearly impossible to pick or bump. Included lock, base plate with ball, and shackle fit most coupler and latch styles.

This universal coupler lock protects your trailer from towaway theft. Lock codes to your vehicle's ignition key, and it's nearly impossible to pick or bump. Included lock, base plate with ball, and shackle fit most coupler and latch styles.

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.