Features: 1.This is a motorcycle mirror frame base with 10mm hole 2.It helps isolates and dampens shock and vibration 3.This design of the item allows user to mount to just about many things on your motorcycles 4.Mounts are made of high quality material with a black coated finish, stainless steel hardware and plastic balls 5.Most applications require an attachment base, arm, adapter base and an accessory cradle to complete a kit. This base is suitable for many motorcycles and other vehicles Specification: Features:_x000D_ _x000D_ This is a motorcycle mirror frame base with 10mm hole. _x000D_ It helps isolates and dampens shock and vibration. _x000D_ This design of the item allows user to mount to just about many things on your motorcycles. _x000D_ Mounts are made of high quality material with a black coated finish, stainless steel hardware and plastic balls. _x000D_ Most applications require an attachment base, arm, adapter base and an accessory cradle to complete a kit. This base is suitable for many motorcycles and other vehicles. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: Plastic, Metal_x000D_ Color: Black_x000D_ Item Height: 53mm/2.08''_x000D_ Hole Diameter: 10mm/0.4''_x000D_ Package Weight: approx. 34g_x000D_ _x000D_ Package Weight:_x000D_ 1 x Motorcycle Mirror Base_x000D_ _x000D_ Note:_x000D_ It is easy to install, but professional installation is highly recommended. PackageList: