Size and Quantity: About 8mm wide, 13mm long, 4mm thick, hole: 1.5mm. Come with 40pcs lobster claw clasps and 80pcs open jump rings in the package.Sufficient quantity for your daily jewelry design projects.Losbter Claw Clasp: Every clasp opens and closes easily and smoothly, which can connect different chains well, ideal supplies for chunkier bracelets chain, necklaces chain and bag chain.Real 24K Gold Plated: These lobster claw clasps are with real 24K gold plated, sparkling golden design, give you charming look and win more compliments.Material: These clasps are made of high quality stainless steel, which is durable and sturdy, not easy to rust, so you do not need to worry about its quality issues even with lower maintenance.Usage: The lobster claw clasps can be applied to extend the length of chain. Great for DIY your special and unique jewelry, excellent size for suspending small items from delicate necklaces, bracelets, anklets.