ALLOYGOLD 110 Sets Red Cooper Chicago Screws Leather Assorted Kit ，8 Sizes of Screw Rivets for Leather Rivet for DIY Leather Craft and Bookbinding (M5 X 4,5,6,8,10,12,15,18) - AD-RedBronze Chicago Screws-456810121518

• ★There are 110 sets of 8 sizes, including 15 sets of M5*4, M5*5, M5*6, M5*8, M5*10, M5*12, 10 sets of M5*15, M5*10. The diameter of the screw rivets is 5mm(3/16 inches), and the one word screws of M4*4 are matched. You can combine them freely. Various lengths are available to meet your different needs. ★High demand: Chicago screws leather strong and durable, easy to bind, excellent finish, good screw head chamfering, low profile slot, professional appearance, easy to disassemble and install, is your only choice. ★High-quality material: These Chicago screws are made of high-quality carbon steel, advanced nickel plating, and a stable and dense oxide film on the surface, don't come loose which is durable and anti-rust. ★Widely used:These red cooper rivets leather are especially suitable for all kinds of leather crafts, such as belts, handbags, leather shoes, binding documents, books, photo albums, DIY crafts and so on. You can mix it up and use your imagination. ★Reusable storage boxes: 110 sets Red Cooper Chicago Screws along with 2pcs install tools in an clear plastic storage box. The book screws are arranged according to size, you can easily store and find the size you need.