Multi-layer Clasp Buckle: The clasp buckles are in 4 styles, come with loop numbers of 3, 4, 5 and 6. They can be used to link multiple beads or strings at the same time, which is especially suitable for making layered jewelry. Its built-in sense of design allows you to achievement a good effect no matter what jewelry you make. What You Get: the package includes 32pcs layering clasps in 8 styles(2 colors and 4 sizes), 4pcs for each style. The length(9mm) and the thickness(2.5mm) of them are the same. But theyre in different widths: 3 Loop Connectors-10mm, 4 Loop Connector-15mm, 5 Loop Connector-20mm and 6 Loop Connector-25mm. And the hole is about 2mm for all the clasps. 304 Stainless Steel: Made of 304 stainless steel, which is more sturdy than regular metallic materials. Reliable to use and light in weight and friendly to your skin. The classic golden and stainless steel colors make them easy to be matched with charms and beads in any style. Easy to Use: The multiple holes are included for hanging chains, pendants, open jump rings, tassels, wire, string to design your unique jewelry, easy to use and fashion design, also best gift choice on birthday, , Thanksgiving Day, etc. Wide Applications: These jewelry connectors can be used for making multi-strand bracelet, dangle earrings, tassel earrings, necklaces, chokers, anklets, multi strands jewelry and other DIY jewelry crafts for women. Also can be used to make keychain, bag ornaments, wind climes, etc.