Acme Coupler Lock

This Acme Coupler Lock has a solid cast design and is heat treated for durability. It fits most couplers, including Quick-Lock designs (#380914-2-1/2, #380914-2, #380915-3, #380915-2-1/2, #380901, #380902, #380903-2 and #380903-2-5/16 - all sold separately). Can be used as a safety device when towing and to help deter theft while trailer is parked. This coupler lock locks like a vise; 2 keys are included.