Home / 3/8 in. Stainless Wire Lock Hitch Pin 3/8 in. Stainless Wire Lock Hitch Pin $19.95 Wire Lock Pins have a pin and cotter all in one assembly. This one piece fastener eliminates cotter pin loss and fits most quick release applications. The wire loop is pulled over the pin end to lock it in place or remove it. Size: 3/8 in Default Title - $19.95 USD Add to cart Share this