Pin, Hitch Pin Style Pin and Lock, Compatible Hitch Size 1 1/4 in, 2 in, Pin Diameter 1/2 in, 5/8 in, Vehicle Class I, II, III, IV, Overall Length 3 in, Usable Length 3 in, Includes Brass Lock, Sleeve, Material Steel; Brass, Finish Bright Zinc WARNING: Cancer - www.P65Warnings.ca.gov -