Brass Links Connectors, Long-Lasting Plated, Lock & Key, Real 18K Gold Plated

Size: about 0.24 inch(6mm) wide, 0.79 inch(20mm) long, 0.12 inch(3mm) thick, hole: 0.13 inch(3.4mm); ring: 0.20x0.03 inch(5x0.8mm)