The Trimax Universal Receiver and Coupler Lock Keyed Alike Set includes four matching keys. The adjustable 5/8" steel sleeve prevents rust and spins to prevent cutting, fitting class III, V, and V hitches. The lock head can't be false locked or "pop" open. Lock it or lose it!
5/8" Class III receiver
Trimax Lock's exclusive internal O-ring and watertight cap seal out moisture
The round key won't bend or break like flat keys and are impossible to pick
Adjustable stainless steel coupler pin fits 7/8", 2-1/2" and 3-1/2" coupler spans