Heininger 6026 HitchMate 2" Hitch Lock and 0.875" Trailer Lock Set
One hitch lock and one coupler lock KEYED ALIKE for your convenience. Now you can lock your hitch and trailer with ONE key. Hitch Lock Fits 2" x 2" trailer hitches (Class III and Class IV), Pin diameter: 0.625", Inside width: 2.625", Overall Length: 6", Coupler Lock. Fits lever style trailer couplers requiring a 0.875" to 1" span, Pin Diameter: 0.25", Inside Width: 7/8" to 1", Overall Length: 4.50".