2pcs 0.4in M10 Motorcycle Mirror Riser Spacers Extension Adapter Universal Accessory Feature: 1. Commonly used for motorcycle mirrors with 10mm mirror stem and 1.25mm pitch thread. 2. Ideal for raising and extending mirrors, allowing you to adjust to a suitable angle. 3. Perfect fit, easy to install, no need of modification, not include installation instruction. 4. Constructed by plastic material for maximum durability, long service life. 5. Fit for most motorcycle/motorbike/sportbike / cruisers/dual sport / scooter...with M10/right-hand rotation mirrors. Specification: Item Type: Motorcycle Mirror Extenders Material: Plastic Thread Diameter: M10 (clockwise) Bolt: M10 M8 Rotation: Clockwise/Right-hand Bolt Thread Length: Approx. 20mm/0.79in(2x) 40mm/1.6in Horizontal Extension 21mm/0.8in Vertical Raise Fitment: Only for the mirror hole diameter M10 and thread pitch 1.25mm and thread direction is Normal / Regular / Right Hand / Clockwise / Male. Universal - Fit For Most Motorcycle / Motorbike / Sportbike / Cruisers / Dual Sport / Scooter...with M10 / Right-hand rotation mirrors. (Only Suitable For Yamaha Right Hand Mirror As They Have A Left Hand Thread On Them) Package List: 2 x Motorcycle Mirror Extenders 2 x Bolts Note: 1. Please check out the size and product fits your bike or not before you purchase. 2. Please allow 0.51 inch difference due to manual measurement.(1 inch=2.54cm)