This diamond crystal gear Shift Knobs is a type of wave stick headgear made of acrylic (pmma) material, which is widely used in cars, giving people a fashionable and noble feeling. It has been processed by lathe and has not been subjected to surface hardening treatment, which is prone to bursting. The products of Jinggu are hardened, anti-cracking, and resistant to alcohol.Brand: Color: two-color white, two-color blue, two-color red, two-color yellow, two-color purple, two-color yellowSize: 168*5*5Weight: 313g Material: AcrylicAccessories: crystal diamond gear head adapter (M10x1.25mm, M8x1.25mm)Applicable models: UniversalInstallation Notes:1. Remove the original car gear head2. Take the adapter to suit the size of the gear lever3. Turn the adapter into the gear lever4. Put the gear head directly on the gear lever