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 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.

Dual-ratchet locking system and ballistic nylon housing with a hardened steel shackle provide 360 degrees of protection for your trailer coupler. Heavy-duty housing can take a beating, giving you peace of mind when you leave your trailer unattended.

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.

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.

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.

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.

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.

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.

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.

Dual-ratchet locking system and hardened steel shackle provide 360 degrees of protection for your trailer coupler and peace of mind when you leave your trailer unattended. Also works as a general-purpose U-lock.

Sturdy, rustproof lock discourages towaway trailer theft by covering coupler ball opening and fully surrounding the lip. Fits 2-5/16" ball couplers with flat or rolled lips. Can be keyed alike to match other Blaylock push-button 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. Padlock sold separately.

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.

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.

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.

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.

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.

Dual-ratchet locking system and hardened steel shackle provide 360 degrees of protection for your trailer coupler and peace of mind when you leave your trailer unattended. Also works as a general-purpose U-lock.

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

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.

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.

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.