Brass Linking Rings, Long-Lasting Plated, Real 18K Gold Plated

Size: about 0.39 inch(10mm) long, 0.77 inch(19.5mm) wide, 0.10 inch(2.5mm) thick, hole: 0.03 inch(0.7mm), inner size: 0.30x0.16 inch(7.5x4mm).