Trailer Coupler Lock

Blue Ox Tow Bar Locks are the perfect way to protect your RV-towed vehicle from theft and accidental unhitching. These locks insert to your RV's receiver or your vehicle's towing baseplate to lock up and secure the tow bar. Blue Ox is the trusted name in RV towing, so you can rest assured that you're getting the best possible protection for your vehicle.
Baseplate Lock
1/2 In. Diameter
Prevents accidental unhitching: By keeping your tow vehicle firmly connected, you'll never have to worry about it becoming detached accidentally.