Specification Name: Mugen Carbon Fiber Shift Knob Style: JDM Culture Material: Carbon Fiber Aluminum Alloy Size: 52mm x 50mm Body Color: Black / Red Package Includes: 1 Shift Knob 3 Adapters Package Size: 8 *8.5*10cm Gross Weight: 200g Car Fitment: Universal   Features High resistance, non-corrosive, high-temperature tolerance, and low thermal expansion It will improve driving feel and shifting due to its low weight and sturdy. Enhance shifting more smoothly and quickly. Universal fits most vehicles.   Package 1x  Shifter Knob 3X Adapters: M8*1.25, M10*1.25, M10*1.5. Reviews of Mugen Carbon Fiber Shift Knob 1. This mugen carbon fiber shifter is very good quality, my car is a Honda. Just take off the original car gear handle and install it directly. Under the guidance of customer service, it is easy to install. 2. This shift head feels really nice to use and helps me shift gears faster.