QUALITY AND DURABLE - Made of good quality 304 stainless steel, hard, sturdy and durable, with nickel plated surface, not easy to get rust and erosion, providing a long service life. EASY TO USE - This set of screws is easy to install, use a drill to drill a 5mm diameter hole, then you can install the 2 pieces on 2 sides, they can connect different items. REUSABLE - The threaded post allows you to open and re-attach the part with a standard screwdriver. WIDE APPLICATIONS - The screw post is suitable for holding and decorating documents, books, scrapbooks, photo albums, etc., good supplies especially for leather crafts. 30 SETS - The screw post is composed of screws and the top, they are compatible. Total 60pcs About Increway: Main categories: Tools & Home Improvement, Home & Kitchen, Some Professional Mechanical Parts, etc. Our goal: One-stop shopping for all kinds of repair, replacement, and decorations you need in your daily life and work. Can be used for decoration, furniture repair and your DIY projects, they are essential for family. Office. Office furniture, household appliances, etc., you also need these small parts to prepare emergency parts. Vehicle Car repair, replacement parts, these products will also be a good helper. Machine Reliable quality product, can be used for mechanical maintenance and industrial applications.