ClickSecure Vermeil Self-locking Filigree Magnetic Jewelry Clasp 18K gold plated over Sterling Silver (Vermeil)Jewelry Clasp; Rectangular with Filigree Pattern Easily attaches to bracelets and necklaces with lobster claws or spring rings Magnetic with patented, self-locking security Easy to attach; makes jewelry easy and fun to put on by yourself As seen on TV