Universal Fit: The knob is suitable for cars with removable stick shifter If your MANUAL car reverse gear needs to be lifted, then it can't be used. If your AUTOMATIC car reverse gear needs button lock, then it can't be used If your existing gear knob can't be removed, then it can't be used. About This Products: Type: Car Shift Knob Color: Black Material: Resin Adapter Thread Size: M8x1.25, M10x1.25, M10x1.5, M12x1.25 Thread Size: M5x0.8 Knob Hole Diameter: 15mm / 0.59"(D) Knob Size: 7x5.3cm / 2.76"x2.09"(L*W) Product Features: Unique stylish design, becoming a fashionable decoration in your car, also enhanced shift feel and driving experience. Easy installation, just remove the existing manual gear shift knob, select right adaptor size and insert with the new gear stick handle. Widely Use: with four adapter sizes to fit various vehicle as long as the thread size matches. Specifically designed for vehicles with a stick, manual speed or buttonless automatic transmission shifters. Installation Steps: Remove the existing gear shift knob, measure the diameter of the screw rod. Choose one piece appropriate adapter from 4 pieces. (Note: If the four adapters are not the same size as the car screw rod, please choose the closest size of the adapters, fasten it with adhesive tape, then tighten the shift knob stick.) Put the adapter into the gear lever. Put the new shift knob head directly into the gear rod. Package Item: 1 Pc Shift Knob 4 Pcs Adapters 3 Pcs Screws 1 Pc Wrench