Master Lock Trailer Coupler Lock Kit, Suitable for: Trailer Coupler Lock Fits 1-7/8 in, 2 in and Most 2-5/16 in Couplers, Push-to Lock Receiver Lock Fits Both 1/2 in And 5/8 in Receivers, Includes: Trailer Coupler Lock, Receiver Lock and Trailer Coupler Latch Lock
