Feature:1. No modification required, directly upgrade your original knob.2. Come with 3 hoses (8mm, 10mm, 12mm).3. Distinctive metal & high quality heavy material.4. Has adapters for different gear sticks diameters ranging from 8mm up to 12mm.5. These sleeves are tightly fitted in place with hidden grub screws. Specification: Product Name Shift Knob Color Blue/ Red/ Sliver Material Alluminum Alloy PU Leather Gear Knob Type Standard Placement on Vehicle Front Shift Knob Dimension 70mmx 15mm/2.76x 5.9 inches (L*D) Connector Inner Diameter 8mm, 10mm, 12mm Install: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. Package Included:1 X Shift Knob 1 X Wrench 3 X Install Adapters 1 Set X Screws