128 Sets Chicago Screws Kit, Black Screw Rivets, 8 Sizes Carbon Steel Binding Screws(M5*4,5,6,8,10,12,15,18) And 3 Screw Lengths (M4*3,4,5) For Leathe

1 ??Product Specifications??-- Our Chicago screw set has 128 sets of screws, each with 8 sizes (M5x4mm, M5x5mm, M5x6mm, M5x8mm (18 sets each), M5x10mm, M5x12mm (15 sets each), M5x15mm, M5x18mm (13 sets each), and 3 different lengths of screws (M4x3mm, M4x4mm, M4x5mm) The quantity is sufficient and the length varies, so you can freely combine them,2 ??Quality Material??-- Our Chicago screws are made of high-quality carbon steel and have undergone high-quality nickel plating treatment on the surface They are smooth, burr free, durable, and have high hardness You can use them with confidence without worrying about rusting, fading, or deformation,3 ??Product Feature??--These binding posts, also called Chicago screwsThey are two-component fastener systems consisting of an internally threaded post barrel and a binding screw As a unit, they bind thick materials together for a firm hold,4 ??Package Includes??-- Each package includes 128 Sets Chicago Screws All leather screws are packed in a delicate transparent box with corresponding labels, making it easy for you to quickly find the desired size,5 ??Widely Application??--These screw rivets are ideal choices for DIY leather crafts, with both functionality and decoration For example, belts, decorative bags, clothing accessories, keychains, bound documents, books, photo albums, various DIY crafts, etc