Item Type: Shift Knob Installation Mode: Screw Fixation Port Inner Diameter: Approx. 11mm / 0.4in Three Adapters: Approx. 8mm / 0.3in 9mm / 0.4in 10mm / 0.4in Style: Metal JDM Style Applicable Model: Fit for Most Manual Vehicles Package List 1 x Shift Knob 3 x Adapter 1Wide Compatibility: This is a universal shif knob, fit for most manual vehicles. We offer adapters in three different sizes (8mm, 9mm and 10mm) to fit different vehicles. 2Modified Cool Car Trim: This is a great way to enhance the functional and aesthetic appeal of your car, cool and sporty style, and enhance your driving experience. 3Ergonomic Design: The ergonomically designed shift knob makes driving more comfortable, ensures faster and smoother shifts, and improves driving experience and control. 4Guaranteed Quality: Our gear shift head are designed with the highest premium metal and resin materials to ensure durability and ease of installation. 5No Modification: This product can directly replace the original knob, without any modification. This saves time and effort and increases the convenience of the installation process.