Rearview mirror extension, thread diameter: 10mm and 8mm, the rearview mirror lifting and exiting is sturdy and durable, and will not be damaged after prolonged use. It is made of high-quality aluminum alloy, strong and durable, and has high performance in anti-corrosion and anti-rust. It can be used normally and safely even in bad weather. The rearview mirror can be lifted and extended, which effectively prevents the driver from blocking the field of vision of the rearview mirror, thereby increasing the field of vision of the motorcycle. The installation is simple and quick, and can be easily disassembled and installed without a long time with stable performance and high reliability. Red Motorcycle Electric Vehicle Rearview Mirror Frame - Package includes: 2 x rearview mirror extensions, 2 x 10mm screws, 2 x 10mm gaskets, 2 x 8mm screws, 2 x 8mm gaskets. Note: The data are all manually measured, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.