CURT 45552 Euro Mount Trailer Hitch Ball Mount with 2 Inch Trailer Ball, Fits 1 1 4 Inch Receiver, 3,500 lbs. GTW, 2 3 4 Inch Ball Height sway Fits A frame trailer tongues and GH 1724 Fits A frame trailer tongues and 2" trailer balls Passes SAE 684 performance testing as a class 4 coupler Solid neck for increased strength and greater corrosion resistance Sleeve lock latch system for a more secure mount Features holes to accept a safety pin or coupler lock Constructed from high strength steel Protected by a durable carbide black powder coat finish Limited lifetime warranty (one year finish This set of 5th wheel legs is designed to fit select Chevrolet or GMC trucks with the puck system and cannot be installed without it (year range specific) Imagine a ball mount that requires no tools and no trailer ball torqueing for installation CURT Euro Mounts come with a 1 1 4" x 1 1 4" shank and can tow up to 3