Features: Material: Made of quality carbon steel material, which is high strength, corrosion-resistant, durable to use and have long service life. Durable Accessories: The bike disc rotor bolts have powerful function, which is used on bicycles disc rotor, can also add color to the bicycles. Firmly-Connected: The screws are accurate thread, and which are firmly-connected, and not easy to fall off, and the overall finish is high. Easy to Install: Bike brake disc screws adopts small size design, which is convenient to install and disassemble, saving you timing and labor. Wide Applications: It is suitable for fixing discs and bike frame to make your bikes work normally. Best for mountain bikes, road bikes, fixed gear bikes, etc. Specifications: Material: Carbon Steel Color: As The Picture Shows Package Weight: approx.40g Length: approx.12mm/0.47in (More Size Detail, Please See Photos.) Package Includes: 1 Set of Bike Screws note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!