Convex mirrors with automotive-quality glass. 6061-T6 aluminum CNC-machined billet construction. Rubber-mounted to reduce vibration. Will fit most handlebar/ clip-ons with an outer diameter of 7/8in. (requires 3/8in. of bare bar outboard of the grip/ throttle assembly). Blindsight mirror intended to be used in conjunction with left-side mirror or stock mirrors to help reveal blind spots. Hindsight LS (Lane Splitter) version is retractable/ folding. Hindsight EXO LS (Lane Splitter) mirrors feature a new, stylish cutaway pattern on the back of the mirror; perfect for use on todays aggressively-styled minimalist street bikes. All mirror types are sold each. Made in the U.S.A..