Pandahall 1Box/24pcs 304 Stainless Steel Lobster Claw Clasps Mixed Size Trigger Spring Fasteners Jewelry Makings 9~15x5~9mm Platinum 304 Stainless Steel Lobster Claw Clasps for Jewelry Makings Size: about 5~9mmwide, 9~15mm long, 2.5~4mm thick, hole: 1~2mm; 2pcs/compartemnt, 24pcs/box. Named because they look like the claw of a lobster, lobster clasps are some of the sturdiest clasps out there and so are perfect for heavy pieces of jewelry. This design uses a classic loop with a trigger that opens the clasp. A small ring at the back allows you to attach this clasp to your choice of stringing material. With its smooth glossy finish, this finding will work with any idea and give it a classy feel. Try it in a bracelet laced with fire-polished beads or freshwater pearls.