Receiver and Coupler Lock Set, Lock Type Dual Bent Pin, For Use With 1 1/4 in and 2 in Receivers, Hole Diameter 1/2 in, 5/8 in, Vehicle Class I, II, III, IV, V, Features All Locks Keyed Alike, Includes (2) Flat Keys, Adjustable Brass Coupler Lock, Dual Bent Pin Lock, Universal Coupler Lock, Finish Brass