Fits trailer wheels up to 16-1/2. Provides 4-3/4" lift and over 7" of offset to mount tire up and out of the way. Exclusive Galva-Tec finish exceeds industry standard for corrosion protection providing long lasting value. Easy bolt on installation. No cutting or drilling required. Constructed on heavy duty steel seamless welded tubing. Universal mounting system fits trailer tongue up to 3" wide by 5" high. All mounting hardware and instructions included. Made in USA.