The Draw-Tite QSP (Quiet, Secure, Performance) hitch silencing system fits Cequent Brand 2" receivers (Draw-Tite, Reese and Hidden Hitch). The two-piece design easily mounts onto the hitch receivers collar and has a lock-down cam level handle to prevent the rattle of equipment. For use with standard ball mounts, bike racks or cargo carriers. When finished, easily lift the cam level handle, remove your receivers hitch pin, slide your product out, and close the magnetic door. EASY to use and extremely versatile! Per the manufacturer: The product must always be used with a 5/8" hitch pin and clip properly securing the shank to the hitch. Will not fit on the Draw-tite Ultra Frame Hitches - Part numbers 419XX