Specification:Model:431197100% Design: Round Ball StyleMaterial: Stainless steelColor: as the picture(fantastic/colorful)Size: 50.9x46.9mm / 2″x1.85″(DxH)Screw adapter: 3pcs x 9mmFeatures:- High quality, durable.- Comes with 3pcs 9mm screw adapter.- Best replacement for the worn or orginal Gear Shift Lever Knob.- Easy installation. Direct Replacement, no modification is required.- Improves the look and style of your vehicle.Fitment: Universal fit most Japanese and USA cars, does not fit most European car such as BMW, Mercedes Benz, Porsche and Volkswagen because European cars are not using the round thread shiftersInstallation: (Only for reference)1. Remove (twist, unscrew) your old factory gear knob from shifter shaft.(For some cars, the knob is adhere to the shift lever and can not be removed, please check prior to puchase)2. Take the screw adapter and attach to the shifter shaft. Place the gear knob directly over adapter and screw until it is tight,3. Once installation is finished, ensure the gear knob is firmly attached to the shifter shaft and the gear shifter is working correctly.