Sterling Silver One Sided Rack of Pool Balls Necklace High Polished Chain with Oxidized Charm Height 13 millimeters (0.51 inch) x Width 15 millimeters (0.59 inch) Charm Weighs Approximately 2.5 grams (4.6 grams including 20" necklace) Chain Thickness 0.7 millimeters (1/32 inches) Spring Clasp on Necklace