Fits couplers with up to a 7/8" span

O-ring keeps water, grime and dirt out of locking mechanism to ensure years of use

Protective rubber cap protects keyhole from water, grime and dirt

Type A key which is a spring loaded, 7 pin, high security key. Resists attempted drill outs. Rugged and durable, the key will not bend or break.

Triple plated chrome finish