Products details 5speed Carbon Fiber Shift Gear Knob 1. Real carbon filber shift knob 2. Pre threaded for M8,M10,M12 x1.50 3. Double clear coat for brilliant clear finish and to resist discoloration 4. With light weight aluminum internal body for maximum performance 5. Will improve diving feel and shifting due to less weight and sturdy feel 6. Ideal for spirited driving, racing and improve with ultimate functional style Comes with all nessary hardware needed for installation on most manual 5 speed transmission cars