Mishimoto Carbon Fiber Shift Knob - MMSK-CFShift knob designed for smooth and seamless gear changes Hand laid and resin infused carbon fiber for added durability and aesthetics 4. 93 oz total weight for precise and accurate shift feel Ergonomic shape allows for comfortable hand position Improves interior aesthetics Purchase includes three insert sizes to fit various applications Insert thread pitch sizes: M8 x 1. 25, M10 x 1. 5, M12 x 1. 25 Mishimoto Lifetime Warranty The Mishimoto Carbon