Master Lock Keyed Alike Trailer Hitch Locks 1480KA-2 These two keyed alike receiver hitch locks feature the NEW Push To Lock Security. Easy locking. Push lock body onto pin firmly and remove key. The shaft's length is exactly 2-3/4" long. Will not fit heavy duty receivers wider than 2-1/2 wide. Stainless Steel for ultimate corrosion resistance. Weather tough seal and water tight cap protects lock. Solid brass lock cylinder and cylinder case offers extreme corrosion resistance.