Description:-This knob is made of high quality aluminum and very durable.-Comfortable to grip-Very easy to install.-Fits universal model.-Please note that there are two kinds of base in the products:Color:Red, black, blue, silverMaterial: AluminumSize: shown as the picture of 5 gears (1, 2, 3, 4, 5) and reverse characters engraved on the top.3 adapters for easy installation, the diameter of 3 adapters is 0.8cm, 1cm, 1.2cm Installation:1. Remove the original gear shift knob for the car2. Take plastic adapters the right size for the gear knob3. Insert the gear knob into the gear knob4. Fixed handle position with mini screws5. Tighten the Retaining Ring Type Sliver, Black: 1x Gear Shift Knob/1x Allen Key/3x Rubber Bushing/4x Screws Type Red, Blue: 1x Gear Shift Knob/Adapter 3*(Product Color by your choice) Please read the specification carefully before ordering. Please feel free to contact us if you have any needs or problems with the product. If you experience any dissatisfaction with our product or service, please be advised before leaving negative feedback. Thank you for your understanding.