Check the listing for details. 25set Phillips Chicago Screw M5x10mm Binding Post Screw, Red Copper. Condition: New. Listed at 14.13 USD. Chicago leather rivets screws are made of carbon steel with smooth and electroplated surface, featuring durability, color-retentive, rust-resistant and corrosion-resistant. They are round and smooth, flat and burr-free, ensuring that they will not scratch leather crafts.Button studs rivets are easy to install and remove repeatedly with a screwdriver. Simply insert the screws into the pre-punched holes from both sides to achieve a secure binding effect.Chicago screws are widely used for DIY projects and decorating various leather products, making them a useful accessory for daily life, which are perfect for items such as belts, handbags, backpacks, shoes, clothes, pants, leather bracelets, wallets, scrapbooks, phone cases, hats and photo albums.