3 Sterling Silver Infinity Lobster Clasps Great for Making Necklaces & Bracelets This is a new set of 3 sterling silver infinity clasps. These are great for making necklaces and bracelets. Each is stamped .925 which is the European equivalent of sterling silver. You receive: One clasp that measures approximately 11 x 8 mm (7/16" x 5/16") One clasp that measures approximately 13 x 9 mm (1/2" x 3/8") One clasp that measures approximately 15 x 11 mm (9/16" x 7/16")