Universal Fit with Multiple Adapters: This Ball Shift Knob comes with three threaded rubber ring adapters (8MM, 10MM, 12MM) to ensure compatibility with most car models on the market. The spiral design of the rubber rings makes installation simpler and more stableMaterial: Crafted from aluminum alloy, this Gear Shift Knob offers durability that enhances your car's interior aesthetics while providing a comfortable grip during shiftingInstallation Process: Detach the aluminum sleeve from the new shift knob, Select the appropriate rubber adapter for your gear stick size, Screw the rubber adapter onto your gear stick, Slide the new shift knob onto the stick (ensure to place the aluminum sleeve over it first), Tighten by screwing up the aluminum coverDimensions: With dimensions of 1.97inch in diameter and 2.76inch in height, this compact Car Gear Shift Knob ensures a comfortable fit in your hand while maintaining an unobtrusive presence in your vehicle's interiorComplete Package Includes: The package contains an aluminum alloy gear shift knob along with matching threaded rubber ring adapters, ensuring you have everything needed for a quick and easy installation experience Specification: Diameter:5cm/1.97inchHeight:7cm/2.76inch Package Includes: 1 Shift Knobwith Matching Threaded Rubber Ring Adapters Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.