The 5/8″ pin fits all Class III, IV and V receiver hitches
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
Strongest locking pin on the market
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.