Modifystreet Matte Blue Anodized Aluminum Automatic Shift Knob with Button - M8/M10/M12 Thread Anodized Aluminum Long Automatic Transmission Shift Knob w/ Push Button Size: 1.5" x 4.4" , Made of high quality aluminum 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 shifters Design for replacing auto transmission with 8mm and 1.25mm pitch (M8 x 1.25), 10mm and 1.25mm pitch (M10 x 1.25), 10mm and 1.5mm pitch (M10 x 1.5) or 12mm and 1.25 pitch (M12 x 1.25) thread shifter. Comes with 3 universal threaded adapter hoses: 4.5/16" (M8 x 1.25) and 5/16" (M10 x 1.25), 5/16" (M10 x 1.5) for installation. The original shift knob thread is M12 x 1.25 so if you car is with M12 x 1.25 thread, you can install without using any adapter.