code: F8A-345external diameter: mm. 13.0 diameter of the hole: mm. 4.5 width: mm. 7.0 weight: grams 2.0 - 2.5 core: 925 sterling silver, with stamped logo on both sides. feature of beads: 24k gold foil fused into dichroic glass in amber color, background in onyx black glass, external coating in crystal glass.