HIGH QUALITY SET: This set includes 110 Chicago screws and 2 installation tools, all packaged in a clear plastic storage box. Made from carbon steel, these screws are polished for a smooth finish and durable performance. Thoughtfully Designed: These screws are designed for craft applications. Each screw has a 9.5mm diameter and lengths ranging from 4mm to 12mm to suit various project requirements. User-Friendly Features: Easy to install—insert the stud into the hole, align the nut, and tighten with the included tool. A punch tool is provided for creating holes if needed. Perfect for DIY Projects: Ideal for leathercraft, jewelry making, and other creative projects. Suitable for decorative and functional use. VERSATILE & MULTIPURPOSE: Use on belts, bags, clothing, books, ledgers, photo albums, and more. Color: As Shown Material: Metal Package Contents: 1 x Chicago Screw Leather Rivets Set