Blue Ox 5/8"D x 4"L Trailer Hitch Pin BX88212 14-5240

Receiver locks the Blue Ox tow bars to baseplate & receiver hitch to prevent theft. Chrome plated steel keys won't bend or break. Watertight lock head seals out dirt & moisture. Each use 1/2 inch pin for tow bar to baseplate & 5/8 inch pin for tow bar to hitch. Barbell pin is used with class II/III hitch.