Specification: Product Name: Gear Shift Knob. Color: Bluing + Silver / Bluing + Gold. Material: Alloy aluminum. Height: 85mm / 33.5. Mount Hole Diameter: 20mm / 0.78. Top diameter: 33.5mm / 13.2. Thread adapters: ID: 8mm, 10mm,12mm;   Height: 21mm. Fitment: Universal for manual transmission shifter cars. Qty: 1PC. Features: 1. Long service life. 2. Easy installation. 3. A perfect decoration for your car. 4. This Universal Car Manual Gear Shift Lever Knob is with chic and individualized design. 5. Replace the original knob directly without modification. Installation method: 1. Disassemble shift knob the original car, measure screw size. 2. Select suitable adapter, twist to the gear lever. 3. Finally will head screwed on. Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm). 3.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. Package Included: 1X Shift knob; 3X Adapters (8mm, 10mm, 12mm)