Features 1. Made of sturdy acrylic material, which is durable and has a long service life. 2. The polished smooth surface provides a comfortable grip and helps prevent injuries. 3. Includes 3 steel adapters (8mm, 10mm, 10mm) for improved compatibility during installation. 4. Ball-shaped design enhances car interior appearance, adding a stylish and elegant touch. 5. Easy to install, providing convenience and saving time during use. Specification Item Type: Gear Shift Knob Head Material: Acrylic Mounting Hole Size: M12x1.25 Shift Head Diameter: Approx. 54mm / 2.1in Adapter: Approx. 8mm / 0.3in, approx. 10mm / 0.4in, approx. 10mm / 0.4in Applicable Models: General-purpose Vehicles (Manual Transmission Models, Partial Screw-type Automatic Transmission Models) Package List 1 x Gear Shift Knob Head 3 x Adapter