This product has high average anti-pull load strength, and good thermal resistance. Specifications: 1) A series chains: a) Simplex: 25-1 - 240-1 b) Duplex: 25-2 - 240-2 c) Triplex: 35-3 - 240-3 2) B series chains: a) Simplex: 05B-1 - 48B-1 b) Duplex: 06B-2 - 48B-2 c) Triplex: 06B-3 - 48B-3 3) Colors available: natural, yellow, blue, and black 4) Materials: carbon steel, stainless steel Packing: Solid cardboard box and container