Receiver Lock, Lock Type Dual Bent Pin, For Use With Class I to IV Receivers, Hole Diameter 1/2 in, 5/8 in, Vehicle Class I, II, III, IV, Features 360 Degrees Rotating Head, Durable Plastic Lock, Pick Proof Square Key Design, Includes (2) Keys, 1/2 in and 5/8 in Dual Bent Pin, Finish Chrome