Features: 1. Durable and long life. 2. Not afraid of damp, muddy, or dusty environments. 3. Using for stopping the movement of the scooter. Specifications: Material: steel Model: brake disc Color: Silver Single size: 110x110x2mm/4.33*4.33*0.07'' Packing size: 110x110x5mm/4.33*4.33*0.19'' Net weight of the set: 89g Notes: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 X Brake Disc 5 X Screws