The Twisted ShifterZ White Shift Knob With Silver Cow Skull is a stylish and unique addition to any vehicle. With its smooth surface and 2-1/8 inch diameter, it fits most makes and models. The silver cow skull design adds a touch of personality to your gear shifter. Please note that most Twisted ShifterZ shift knobs require a new adapter, and you can review the adaptor options by clicking here. Upgrade your car's interior with this practical and eye-catching shift knob.