Item Type: Shift Knob Material: Acrylic Mount Hole Diamater: Approx. 15mm / 0.59in 3 Plastic Adapters Size: Approx. 8mm/0.31in, 10mm/0.39in; 12mm/0.47in Fitment: Universal Package List 1 x Shift Knob 3 x Adapter 1The ballshaped design makes shifting faster and smoother, enhancing the driving experience and the sense of control. 2Equipped with 3 plastic adapters (8mm/0.31in, 10mm/0.39in, 12mm/0.47in) for easy installation. The diameter of mounting hole is 15mm/0.59in. 3With unique design, a great aftermarket replacement for your old or broken one. Upgrade your driving comfort and car interior appearance. 4Comfortable touch feeling, wearresistant, and looks beautiful, which perfectly matches your original car. 5Use durable and highquality acrylic. Easy to install without modification, cutting or drilling.