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. Product description: 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