Installation method: 1. Remove the shift head of the original car 2. Remove the aluminum alloy sleeve at the bottom of the shift head 3. Take the rubber sleeve to fit the size of the gear lever 4. Turn the rubber sleeve into the gear lever 5. Put the gear head directly on the gear lever (note, put the aluminum alloy cover on the gear lever first) Feature: - Brand new and never used - This Universal Car Manual Gear Shift Lever Knob is with chic and individualized design. - Easy to install - A perfect decoration for your car - High quality alloy aluminum material Specification: 100% brand new!!! Material: Alloy aluminum Color: Black,, Red, Blue, Titanium, Colorful Height: 85mm Width: 30mm Mount Hole Diamater: 18mm Fitment: Universal for manual transmiion shifter cars Package include: 1 X shift knob 3 X adapters(7mm, 9mm, 11mm) Note: 1. (IMPORTANT) No Instructions Included. Profeional Installation Is Highly Recommended! 2. Please check the size measurement chart carefully before making payment. 3. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 4. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.