This is a Replacement Glass Kit for CRG Mirrors With 3" Diameters. Convex mirrors with automotive-quality glass 6061 T-6 aluminum CNC-machined billet construction Rubber-mounted to reduce vibration 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) 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 today's aggressively-styled naked street bikes All mirror types are sold each Made in the U.S.A. SPECIFICATIONS diameter imperial 3" diameter metric 76.2 mm material Glass mirror curvature Convex mirror head shape Round model Hindsight mounting position Left Right product name Mirror Glass riding style Street type Replacement units Kit PROPOSITION 65 ⚠️WARNING This product can expose you to chemicals known to the State of California known to cause Cancer or birth defects and reproductive harm. For more information go to: https://oehha.ca.gov/proposition-65