Ultra-Fab Products 48-979007 The Eliminator Strut Stabilizer The Eliminator is the perfect compliment to manual stabilizer jacks or electric jacks, helping eliminate front-to-back and side-to-side motion Comes with all mounting hardware for use on travel trailers and fifth wheels; Black powder coat finish resists rust Bolt on or permanent installation Six adjustable struts per box Manufacturers 3-Year Warranty