Made of 304 stainless steel, durablle and tough, resistant to corrosion.304 Stainless Steel takes a high polish and has a luster which stays bright and shiny for years of long wear. Cords End with Lobster Claws: The cord ends are connected by the lobster claws, which provide convenience for you jewelry making. Can be applied to cord ends directly and then finish the jewelry making, no need to take cord ends and jewelry clasps individually. High Quality: The clip ends with lobster clasps are made of high-quality 304 stainless steel, which helps them resist corrosion like sweating and for added durability. Nice silver finish and they don't tarnish easily, hard and not easy to break. Sturdy and durable enough for long service life. What You Get: You’ll get 20 sets lobster clasps with clip ends in shiny silver color. Sufficient quantity and classical designs can satisfy your various DIY jewelry making needs. Each pf them is 10mm long, 7mm wide, 3.5mm thick. Excellent size for suspending small items from delicate necklaces, bracelets, anklets. Easy to Use: Insert the end of your cord into the crimp end, and use pliers to flatten the folds one at a time, tightly to the cord. Feature a square cord ends with lobster claw clasps, can be applied to cord ends directly and then finish. Wide Application: The lobster claw cord ends are perfect for the latest leather, organza, silk and satin cord necklaces. Compatible with leather, suede, tassel, lace, hemp, or rat-tailed satin cord bracelet, necklace or choker making. Meet your various needs.