1.Weight: 6.24 ounces. / Overall Height: 4.3" / Diameter: 1.57" 2.Increases interior aesthetics for easier shifts 3.Racing Style Automatic Universal Gear Shift Knobs Shifting with Push Button Shifter Lever 4.Product acessories: The gear head is equipped with three threaded rubber ring accessories with diameters of 8MM, 10MM and 12MM respectively, which are suitable for most models on the market. The spiral rubber ring design is used to make installation easier and more stable. 5.Applicable models: manual transmission, some threaded automatic transmissions, suitable for most models, not suitable for vehicles with reverse gear 6.installation method: 1 Remove the original car gear head 2Remove the bottom aluminum alloy sleeve of this gear head 3The rubber sleeve is suitable for the size of the gear lever 4Turn the rubber sleeve into the gear lever 5Put the gear head directly on the gear lever (note, put the aluminum alloy cover on the gear lever first) 6Tighten the aluminum cover up