100% Brand New and High Quality ! Material: Aluminum Alloy Size: A: 18-21mm B: 24-26mm C: 25-30mm D: 30-36mm E: 35-45mm F: 38-52mm Color: Silver Package Included: 1PCS Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow 5-10mm differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item.