1 . Commonly used for motorcycle mirrors with a 10mm mirror pin and 1.25mm pitch thread. 2. Perfect for raising and extending the mirrors , allowing you to set them at the right angle. 3. Perfect fit, easy to install, no need to modify, not include installation instructions. 4. Made of plastic for maximum durability and long service life. 5 . Fits most motorbikes / motorbikes / sports bikes / cruisers / dual sports / scooters ... with M10 / right hand rotating mirrors. Specification: Item Type: Motorcycle Mirror Extensions Material: plastic Thread diameter: M10 (clockwise) Bolt: M10 M8 Rotation: Clockwise / Right Screw thread length: approx. 20 mm / 0.79 inch (2x) 1.6 inch / 40 mm horizontal extension Vertical rise 21 mm / 0.8 in Installation: Only for M10 mirror hole diameter and 1.25mm thread pitch, and the thread direction is Normal / Normal / Right / Right / Male. Universal Fits most motorbikes / motorbikes / sport bikes / cruisers / dual sport / scooter ... with M10 / right hand side swivel mirrors. (Only suitable for Yamaha righthand mirror as they have lefthand thread) Package List : 2 x motorcycle mirror extensions 2 x screws