<br>Features:<br>Design has a bottom diameter of 8mm/10mm and a ball for head diameter of 25mm. It is suitable for most models and brackets and has a wide range of applications.<br>Ball for head is made of rubber, and the screw is made of aluminum alloy, weatherproof, durable, rust-proof, durable and beautiful in appearance.<br>screw adopts thread design and can be directly installed on the original rearview mirror of the car or where there is a screw hole, which is convenient and quick to install.<br>Anti-skid and shock-proof, rough surface particles, increase contact area, not afraid of shaking.<br>Easy and convenient installation, simple to start and easy to use.<br> <br>Specifications:<br>Material: Aluminum Alloy + Rubber<br>Color: Black+Silver<br>Size: M8/M10(optional)<br>M8: Ball for Head Diameter 25mm, Thread Size about 10mm, Bottom Diameter 8mm, Total Height 5cm<br>M10: Ball for Head Diameter 25mm, Thread Size about 10mm, Bottom Diameter 10mm, Total Height 5cm<br> <br>Note:<br>Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. <br>Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br> <br>Package includes:<br>1 Piece Motorcycle Ball Clamp Base