Three screw ball stud offers secure mounting and easy adjustment Avaliable in high luster stainless steel, chrome plated steel or painted steel finishes 8.5", 7.5",6" and 5" diameters with standard convex and heated options. 8.5" and 7.5" are also available in either a center mount or an offset mount Includes mounting "L" bracket, mounting hardware and comes in an attractive open display box 12.6 radius Curvature Glass Black gasket holds glass in place