specification:Item Type: Shift Knob_x000D_Bottom Mounting Hole: 16mm (0.63in)_x000D_Protect Material: Aluminum Alloy and Leather_x000D_Compatible: Suitable for Most Vehicles_x000D_Adapter Size: Approx. 8mm / 0.31in, 10mm / 0.39in, 11mm / 0.43in, 12mm / 0.47in Features: 1Material: Made of artificial leather and aluminium alloy (base), excellent sealing and air permeability, providing excellent soft touch. 2Ideal Replacement: Shift knob is the control unit damaged parts directly replacement without modification, with 4 adapters, suitable for a variety of models. 3High Performance: Professional manufacturing, fine workmanship, smooth surface, good hand touching feeling, with better shifting performance. 4Design: Clear number, quick identification of gear levels, resistance to friction, to ensure safe driving, Aluminum alloy and leather material is wear resistant and durable. 5Easy Installation: The installation is simple, direct replacement for the old or broken one, no modification is required, convenient for using. PackageList:1 x ShiftKnob 4 x Screw 1 x Erecting Tool 4 x Adapter Sleeve