Mcupper-Black Durable Real Carbon Fiber Ball Shift Shifter Knob + 3 Adaptors 8mm 10mm 12mm Inner Diameter Set Car Universal Fits Covered with Real Carbon Fiber Material for the Best Interior Appearance. Upgrades the interior of your car with style and functionality with this real carbon fiber shift knob. Made of High Quality Weighted Aluminum for Enhancing Strength, Durability and Shifting Speed. Enhance shifting more smoothly and quickly while shifter is engaging into the gear box. Applicable to most types of Auto car vehicle Truck SUV for manual or automatic transmission.