925 Sterling Silver Crystal Astral Pink 6261 Devoted 2 U Heart Pendant Bead Clasp For European Lobster Clip On Charm Made with Swarovski Elements Fits European Style Clip on Charm jewelry Using Swarovski Elements 6261 Devoted 2 U crystal pendant and 925 Sterling silver (stamped) Opening of the clasp is about 2mm Lobster clasp is approximately 7.7mm high