Strong Fitment: Works on any RV with 2'' hitch receivers. Can be applied to motorhomes, truck campers, travel trailers or 5th wheels. It has adjustable height of 19-5/8"-31-1/8" Durable Material: Made of premium steel, it has excellent sturdiness and is not easy to bend during use. The black powder coating on the surface is anti-rust and anti-scratch for long-lasting use Function: The triangular shape can greatly increase the stability of the hitch of different vehicle models. Designed to reduce shaking and improve your convenience during use Package List: You will receive a black Hitch Mount Stabilizer, with mounting accessories. Note: No instructions Installation Method: Use screws and D-pins to install. You can find installation video online for operation