Features:Function integrated button switch for engine start and kill. CNC machined aluminum housing, high reliability. Sealed rubber boot button for prevent dirt, water and moisture. Easy to install and convenient to use. An ideal option for your motorcycle modification. 4 styles for your option. Specifications:Material: aluminumModel: A, B, C, E (optional)Color: shown as picture (different color for each model)Screw Hole Diameter: 6mmHandlebar Diameter: 22mmPackage Weight: 120gFitment: universal for most motorcycles, dirt bike, ATV with 22mm handlebar.Package List:1 * Engine SwitchNotes:1. Please kindly check your motorcycle handlebar diameter before ordering to make sure this item is perfect apply.2. This switch is used for stop or start using only , you can install 2sets if you need stop and kill.3. It is easy to install, but professional installation is always recommended.