QUALITY AND DURABLE - Made of high-quality carbon steel, hard, sturdy and durable, with a nickel-plated surface that resists rust and corrosion, ensuring a 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. REUSABLE - The threaded post design allows you to open and reattach the component using a standard screwdriver. 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 a screw and top piece, fully compatible. Total of 60 pieces. ABOUT THE BRAND: We specialize in Tools & Home Improvement, Home & Kitchen, and Mechanical Parts. Our goal is to provide one-stop shopping for all your repair, replacement, and decoration needs at home and work. VERSATILE USE: Perfect for home decoration, furniture repair, and DIY projects. Essential for household use. OFFICE & HOME: Useful for desks, furniture, office equipment, and household applianceskeep them on hand as emergency spare parts. VEHICLE MAINTENANCE: Helpful for car repairs and as spare components. INDUSTRIAL USE: Reliable quality suitable for mechanical maintenance and industrial applications.