Rev up your driving experience with our small but stylish pocket rocket! Features: Shiny metallic finish that is surely an eye-catcher Made of durable and lightweight aluminum alloy Come with one aluminum alloy adapter (choose from sizes: M8*1.25, M10*1.25, M10*1.5, M12*1.25) Easy install, direct replacement (just screw off and on!) with the original shift knob in most circumstances Specifications: Size: Max. height: 80mm (3.1"); Max. width: 35mm (1.4") Weight: approx. 133g Package includes: 1* THE BULLET shift knob 1* Aluminum alloy adapter Installation guide: Uninstall the original shift knob Sleeve the adapter on the shift knob lever Screw the Shift Knob on the adapter Adjust the height to a position where the shift knob is steady and tight Admire and Enjoy! Notes: Not compatible with button/lock shift knobs; may be compatible with reversal lever system shifters but might result in some gap between shift knob and reversal lever Consider getting a boot retainer to eliminate the shift boot gap Installation by a professional mechanic is recommended Not sure about your car's thread size? Our Guide to Fitment Check and Thread Sizing Chart are here to help you. Still unsure about compatibility? Hit us an email and let us help you. Please include your car's make, year, transmission type, as well as a few photos of the original gear knob and gear lever.