Will fit most handlebar/clip-ons with an outer diameter of 7/8″ (requires 3/8″ of bare bar outboard of the grip/throttle assembly). 6061-T6 Aluminum CNC Machined Billet Construction. LS (lane splitter) is retractable and foldable. Convex automotive quality mirror glass. Rubber mounted to reduce vibration. Made in the U.S.A..