Features: Metal gears ensures durability for car side mirrors, featuring corrosion resistant construction and smooth folding mechanism. These automotive mirror gears maintain structural integrity through repeated folding cycles while preventing misalignment in vehicles. Ideal for car owners seeking reliable upgrades to protect their side mirrors during urban commuting and garage parking. Safeguards vehicle mirrors from parking lot scrapes in narrow spaces while maintaining optimally rear visibility during daily drives. Precise machined component combining enhancing driving safety with fashion mirror functionality for car enthusiasts. Specifications: Component:Metal Color:Black Diameter:Approx.18mm/0.71inch Part Number: For Cx4 Cx5 Cx7 Atenza Type:48 Teeth/30 Teeth Package Includes: 1pcs Side Mirror Metal Gear note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.