Coupler Lock, Lock Type Key, For Use With Trailer Couplers, Hole Diameter 1 7/8 in, 2 5/16 in, 2 in, Vehicle Class II, Features 360 Degrees Rotating Head, Adjust the Lock to the Desired Length, Integrated Key Slot Cover Helps Protect the Lock From Dirt, Pick Proof Square Key Design, Includes (2) Keys, Finish Chrome