Specifications: Item Name:Circular Disc Brake Lock Material:Alloy,Copper Lock Core Features: Upgraded materials for long-lasting durability Weight: About 225g Size: 45mm*33mm Color:Silver Package: 1 x Circular Disc Brake Lock /Bag Tips: 1. Due to lighting effects, brightness/contrast settings of the display, etc., there may be slight differences between the color tone of the website photos and the real object! 2. Items are measured by hand, there may be 1-3cm difference, thank you very much for your understanding!