925 Sterling Silver Chain Extenders, with Lobster Claw Clasps & Charms, Teardrop, Antique GoldenSize: about 0.10 inch(2.5mm) wide, 2.56 inch(65mm) long, 0.37x0.20x0.10 inch(9.5x5x2.5mm), hole: 0.09 inch(2.4mm), jump ring: 0.16x0.03 inch(4x0.8mm), charm: 0.35x0.16 inch(9x4mm).