925 Sterling Silver Clasps: the pinch clip clasp bails are made of 925 sterling silver, long lasting finish, high gloss, simple and elegant, comfortable to wear lightweight and minimalist. Sturdy and durable for long-term use.2 Sizes Available: the silver snap on bails are in 2 sizes-- 6.5x5x3mm and 5x4x2.5mm, each size 10pcs. Suitable sizes for DIY jewelry projects. All clasps are packed in a 6.8x5.2x1.1cm(2.6"x2"x0.4") plastic container box.Jewelry Connector Clasps: the snap on bails are usually used to conect jewelry chain and pendants, open style, easy to secure the beads or pendants, turn cross-drilled beads into beautiful pendants using quality bails.Easy to Use: open the bails, slides through a chain or leather cord, and apply a small amount of pressure to close the bails and push the prongs into the pre-drilled holes in the pendant. Easy installation and replacement.Wide Applications: the metal pinch bails can attach beads, crystals, gemstones, pendants and charms to make dangle earrings, necklaces and bracelets, great for DIY your special and unique jewelry and handmade crafts.