Size & Material: M10x1.25 6063-T6 Aluminum Alloy and Durable Anodize surface finish Mirror Hole caps: mirror hole from Water, Rust and Dust When You Remove and use bar end You need check the morror hole size installing. Some holes are Clockwise () and some are Counterclockwise (left hand). Most for models and some other are and left hand. Other motorcycle are two . Come with Aluminum Bolts in Thread of Normal (Regular) and Reverse, (Left Hand and ) Easy Install: Just Screw in by Hand within a Advise: Use RED and Snug up to Avoid Losing Condition: Fitment: Universal Fit for all the M10X1.25 Mirror Hole for ,, , , Material:aluminum colour:Black Package Contents: 2 x ( Right+Left ) Bolts Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.