Mission Automotive Hitch Tightener for 1.25" and 2" Hitches - Heavy-Duty, Easy-Install, No-Rust - Made in The USA Stops wobbling, rocking, banging, clanking and jerking caused by sloppy/ill-fitting receivers and uneven loading, providing a smooth and quiet towing or carrying experience. Proudly made in the USA Easily installs with Class I, II, III or IV (1, 2, 3 or 4) hitches that measure either 1.25" or 2" (will not work on a 2.5" or larger hitch). Powder-coated, heavy-duty galvanized steel means it will never rust Perfect for a variety of trailers, racks, and carriers, including car/auto, bike/bicycle, boat, motorcycle, cargo, luggage, dirt bike, platform, ATV, scooter, wheelchair, box, basket Works with many hitches, ball mounts and racks from a wide variety of companies, including Thule, Reese, Saris, CURT Manufacturing, Draw Tite, Rhode Gear, Graber, Yakima, XPort, Curtis, Masterbuilt, StowAway, Valley, Bauer, Larin, Roadmaster and more Compatible with a variety of tow/carry vehicles - truck, SUV, sedan, RV, van, camper, and minivan. Can be used with standard ball tow hitch, hidden hitch, drop hitch, hitch extender, hitch adapters, weight distribution hitch, front hitches, and more