Prevent theft by securing your hitch. 1/2in. pin fits 1 1/4in. receiver tube. Chrome plated pin with black powder-coated lock. Includes 2 keys. Material: Chrome-plated, Diameter (in.): 1/2, Keys Included (qty.): 2, Includes (qty.): 1, Type of Lock: Hitch pin, Fits Receivers (in.): 1 1/4