Description: Direct replacement of the original knob. No modification required from stock application so long as adapter matches. Simplify installation steps, no modification, cutting, or drilling required. Include 3 piece Plastic adapters (caliber 8mm,10mm,12mm). Improves the driving experience and Manipulative sense, provides a quicker and smoother Shifting. Specification: Material: Metal Size: Approx.85mm/ 3.35 inch Installation: 1. Remove the original gear shift knob head of your car or vehicle. 2. Take the right size of plastic adapters in the box, compare the size with the car shifter stick. 3. Put the new shift knob head into shifter stick. 4. Insert the new shift knob head deep into the car shifter stick. 5. Use the inner hexagon spanner and tighten the small black screws. 6. Screw down the lid of shift knob. Package Includes: 1 Piece Gear Stick Shift Lever 3 Pieces Adapters(8mm+10mm+12mm) Note: Please allow 0.1-0.5 inch difference due to manual measurement.(1 inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.