Features: The frosted and electrostatic spraying frosted surface treatment process is used to greatly improve the texture of the product. The 12mm diameter meets the installation needs of most mobile phone holders, navigators and dash cams on the market. CNC process, high machining accuracy, better detail processing. Prevents the fixed shaft from rotating, making it to use. Lossless and easy to install. Fitment For 800MT 800mt 800 mt 2023 size: 12MM Material: Metal colour: black Package Contents: 1 set x Motorcycle Navigation Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.