High-Quality Materials -- The universal gear shift knob head is made of high-quality resin material, which is not only environmentally friendly but also beautiful and durable. The ergonomic design ensures a non-slip and comfortable grip, providing better control and improved driving comfort. quality material, eco-friendly and non-toxic, anti-aging and durable. quality material, eco-friendly and non-toxic, anti-aging and durable. Easy Adjustment -- Our car shift knob skull gear knob offers easy adjustment, allowing you to quickly and comfortably shift gears. With high-performance and quick response, it enables you to easily adjust the speed to meet specific emergency situations. Unique Appearance -- Our gear knob skull shift lever features a unique and cool appearance, with small teeth in the shape of a devil skull, adding a personalized and aggressive look to your car. It enhances the overall aesthetic appeal and makes your car more attractive. Easy Installation -- The car gear shift knob skull handle shifter knob comes with 3 adapters (8mm, 10mm, 12mm), making it suitable for both manual and automatic transmission cars. With its universal design, it is a practical accessory for car modification. Installation is easy and hassle-free. Direct replacement -- The car gear shift knob skull head is a direct replacement for the original gear knob, and the old gear knob can be replaced without any complex operation which can bring you a smooth experience. Size:The front (width*height) is 45*66 mm, the side width is 69 mm, and the inner diameter of the shift knob is 15 mm. Product Description: Comes with three rubber ring accessories with diameters of 8 mm, 10 mm, and 12 mm, three mounting screws, and a special wrench.