6061-T6 Aluminum CNC Machined Billet Construction All stainless steel hardware Convex automotive quality mirror glass Fully modular assembly - every part is easily replaceable Extension elbow is reversible for left and right side mounting Will fit most 7/8" bars and clip-ons Intended to be used in conjunction with a left side mounted Hindsight or stock mirrors to help reveal blind spots Optional Billet internal adapter for mounting on virtually any bar. MIRROR BLINDSIGHT