Natural & Synthetic Mixed Gemstone Beaded Necklaces, with Brass Lobster Claw Clasps, Faceted Round Beads, Size: about 15.75inch~16.14 inch(40~41cm) long(excluding chain extender), beads: 3~3.5mm diameter, extender chain: 46mm, ring: 5x0.7mm, clap: 10x5x2mm.