These adapters will screw into your 8mm clockwise threaded mirror mounting point and then you will be able to mount the 10mm mirrors.
Note: If you have a Yamaha scooter or bike with an 8mm mounting point, these adapters will not work. Yamaha uses a counter-clockwise threaded bolt on the right mirror.
Total Length: 2.5cm
10mm thread: 1.25mm pitch
Package include: 2 PCS