CRG Blindsight Bar End Mirror Features Convex mirror with automotive-quality glass 6061 T-6 aluminum CNC-machined billet construction Black anodized finish with stainless hardware Rubber mounted to reduce vibration Will fit most handlebar/clip-ons with an outer diameter of 4/8 (requires 3/8 of bare bar outboard of the grip/throttle assembly) Intended to be used in conjunction with left-side mirror or stock mirrors to help reveal blind spots Sold each