5/8″ x 4″ Hitch Pin Sorry, this product cannot be purchased. SKU: 1255 Categories: Locks & Pins, Pins Related products 3/8″ X 1 5/8″ Square Pin Call For Price Part #:2415 1/4″ Adjustable Class II Coupler Lock Call For Price Part #:1636 Universal Premier Coupler Lock Call For Price Part #:1630 1/4″ X 2 3/4″Square Pin Call For Price Part #:1238