Tarnish Resistant 661 Stainless Steel Mother-son Chains, Unwelded, with Spool, Stainless Steel Color

Size: about big round: 0.39 inch(10mm) in diameter, 0.04 inch(1mm) thick, little round: 0.31 inch(8mm) in diameter, 0.04 inch(1mm) thick, link: 0.30 inch(7.5mm) long, 0.12 inch(3mm) wide, 0.06 inch(1.5mm) thick, about 32.8 Feet(10m)/roll.