Material: Made of high carbon steel for durability and strength Eye-catching design: The titanium plating gives the screws a beautiful rainbow-colored finish Perfect fit: Specifically designed for the seatpost of mountain bikes Easy installation: M5*18MM size fits most standard seatposts and is easy to install with the right tools Upgrade your bike: Adding colorful screws to your bike is an easy way to upgrade its style and make it stand out. Upgrade your mountain bike with these colorful titanium plated seatpost screws. Made of high carbon steel for durability and strength, these M5*18MM screws are designed to fit most standard seatposts. With their eye-catching rainbow-colored finish, these screws are sure to make your bike stand out. Easy to install with the right tools, these screws are a quick and easy way to upgrade your bike's style. Weight: 3.5g Color: Black/Red/Blue/Green/Purple/Gold/Dazzling Color Material: high carbon steel material Quantity: 2pcs*stem screws (6 pcs each, 12 pcs in total) Specifications: M5*18mm Remarks: The unit price is for 1 card, and 1 card is 6 pieces