ITEM NAME:8 Billiard Ball Round Car Manual Gear Shift Knob Universal Shifter Lever OHJ Descriptio n Material: Acrylic Colour: Black Size: 57*57MM Product list: Gear Knob *1, adapter *3 (M8*1.25, M10*1.25, M10*1.5) Feature: 1. Fit for all car Manual Transmission (MT) and Automatic Transmission (AT) without lock button. 2. 3 size thread adapter included: M8*1.25, M10*1.25, M10*1.5. 3. Best replacement for the worn or orginal Gear Shift Knob. 4. Durable, easy to install. 5. No modification is required. Installation tips: 1. Remove the original car gear shift knob. 2. Take Plastic adapters suitable size For shift knob. 3. Put The gear head into the shift knob. 4. The gear head directly set into the shift knob rod. We offer you what you need! 8 Billiard Ball Round Car Manual Gear Shift Knob Universal Shifter Lever Cover.Remove the original car gear shift knob. Put The gear head into the shift knob. The gear head directly set into the shift knob rod. Take Plastic adapters suitable size For shift knob. Product list: Gear Knob 1, adapter 3 (M8 1.25, M10 1.25, M10 1.5).