5 Sizes: These clasps contains 5 sizes,6/8/10/13/16mm long,3mm inner diameter, suitable size for most Jewelry making jump rings and chains. Total 100pcs in the package.Easy to Use: The tabs on the end allow you to slide your project through the slot. Once your project is in place, fold the tabs in and pinch the end cap closed around your project. And then you can easily add the lobster claw clasp with the extender chains to your piece.Stainless Steel: Our clasps are made of 304 stainless steel, different from other materials, Smooth surface with high gloss, easy to use on jewelry making for a long time.Wide Usages: Perfect for ending seed bead earrings, multi-strand and friendship bracelets, stackable necklaces, chokers, ball chain projects, and other DIY stitched designs, Ideal for backpack, handbag, belt, purse or used as a keyring, great for DIY to get great style.DIY Crafts: These slide clasps are great for finishing your multi-strand designs, perfect to end your jewelry piece. Use with bead loomed designs, with seed beads, cup chain, ball chain, jump rings, lobster claw clasp and various stringing wires.