The HAUL-MASTER™ Anti-Rattle Hitch Tightener reduces hitch movement for cargo carriers, hitch racks, ball mounts and more. The heavy-duty stainless steel U-bolt and powder coated pressure plate resist corrosion in all weather conditions. Compatible with most hitch brands including HAUL-MASTER™, REESE, CURT, MAXXHAUL and with hitch classes I, II, and III.