Features: 1.Designed with ball style, provides a quicker and smoother shifting, and improves the driving experience and manipulative sense. 2.Auto gear shift knob comes with 3 plastic adapters (8mm/0.31in,10mm/0.39in,12mm/0.47in) for easy fitment. Mount hole diamater is 15mm/0.59in. 3.With unique design, a great aftermarket replacement for your old or broken one. Upgrade your driving comfort and car interior appearance. 4.Knob shift stick has comfortable touch feeling, wear resistance, look very nice, perfect match to your original car. 5.Using durable and high?quality acrylic. easy installation, no modification, cutting, or drilling required. Specification: Item Type: Shift Knob_x000D_ Material: Acrylic_x000D_ Mount Hole Diamater: Approx. 15mm / 0.59in_x000D_ 3 Plastic Adapters Size: Approx. 8mm/0.31in, 10mm/0.39in; 12mm/0.47in_x000D_ Fitment: Universal