For just $3.99 Chicago Screws in 10ct packs (10 posts and 10 screws). Three sizes and and 5 color options to choose from. Great for leatherworking, bookbinding, Metal working, and fastening objects. To permanently lock screw we recommend loctite available at most hardware stores and online. Attach using a screwdriver or by hand. Easy and convenient! Colors: - Gold - Silver - Bronze - Gunmetal - Antique copper Sizing: Head diameter: 9.5mm Screwpost diameter: M5 (3/16”) Post length options: 6mm, 10mm, and 12mm Constructed of high carbon steel with nickel plating. Anti corrosive and anti rust.