18K Gold Clasps: Made of brass with 18K gold plated, more durable than alloy or CCB material, lightweight and sturdy, not easy to fade, can remain its shiny appearance for a long time. Size: 16mm wide, 19mm long, 2.5mm thick, hole: 2.3mm; Quantity: 12pcs totally, Classic and stylish, match other beads easily. Easy to Use: Pull trigger to open then release and the clasp automatically springs closed, ring clasps are used with a jump ring or chain link to make a complete clasp. Pushes Buckle: Strong spring ring clasps create a strong hold to ensure clasps stay connected throughout the day. Attractive and easy to fasten.No more fumbling with clasps like lobster clasps. Wide Usages: These lobster claw clasps are very practical DIY accessories, suitable for repairing your existing jewelry or using them to DIY bracelet, necklace, anklet, sweater chain and so on, show your imagination and create your own DIY jewelry.