QUALITY AND DURABLE - Made of high-quality carbon steel, hard, sturdy and durable, with a nickel-plated surface that resists rust and corrosion, ensuring long service life. EASY TO USE - This screw set is easy to install. Use a drill to create a 5mm diameter hole, then install the two pieces on either side to connect different items securely. REUSABLE - The threaded post design allows you to open and reattach the components using a standard screwdriver, making it convenient for repeated use. WIDE APPLICATIONS - Suitable for binding and decorating documents, books, scrapbooks, photo albums, and more. Ideal for leather crafts and various DIY projects. 30 SETS INCLUDED - Each set includes matching screws and tops. Total of 60 pieces. ABOUT INCREWAY: We specialize in Tools & Home Improvement, Home & Kitchen, and Mechanical Parts. Our goal is to provide one-stop solutions for repairs, replacements, and decorative needs in daily life and work. VERSATILE USE: Ideal for home decoration, furniture repair, and DIY projects. Essential for household, office desks, appliances, car repairs, spare parts, and mechanical maintenance. Reliable for both residential and industrial applications.