Condition: 100% brand new and of good quality! Quantity: 1 Material: Metal Size: 7.5cm/2.95inch (diameter) Installation method: Before installing this product, please clean the area and remove any substances. 2. Firstly, check the installation area according to the vehicle using this product, and then loosen the back of the adhesive tape 3. The product is equipped on the vehicle and evenly pressed with a clean cloth. 4. Please avoid washing the car and coming into contact with water within 24 hours after product installation. Notes: Due to various factors such as monitor brightness and lighting brightness, the actual color of the item may differ slightly from the images displayed on the website. 2. Due to manual measurement, please allow for slight deviation in the measurement data. Please refer to the actual product! We provide you with the best products and services. If you have any questions, please let us know and we will resolve them as soon as possible. Thank you.