Crazy Lace Agate Barrel Bead Leather Cord Necklace No. 3Thin black leather cord threads through a large Crazy Lace Agate* gemstone barrel bead for this mens necklace. The focal bead is flanked two large sterling silver beads. Its secured with sterling silver end caps and lobster clasp. All silver is oxidized for rustic appeal. leather cord is 2mm thick stone bead measures 14mm x 10mm . 925 sterling silver Standard Necklace Sizes for Men: 18" (45. 7cm) Base of the neck (for smaller neck sizes) 20" (50. 8cm)