Universal CNC Aluminum Motorcycle Mirror Mount Riser Extenders Spacers Extension Adapter Adaptor High Quality Accessory Features: Made of high quality aluminum alloy, durable, high hardness, not easy to deform. Can be installed on 10.5mm screw holes left and right rearview mirror. Ideal for raising & extending mirrors. Easy to install,no installation instruction. Novel design and cool shape. Specifications: Material:Aluminum Alloy Width: Approx.1.9cm/0.74inch Color:Red/Blue/Gold/Silver/Black Package Includes: 1x Rearview Mirror Extension Bracket Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.