... black oxide link chain), 2)Standard: Ordinary mild steel link chain, short link chain, medium link chain ... 3mm to 28mm 5)Material: SS316, SS304(Stainless steel, 20Mn2, Q235(carbon steel), alloy steel 6)Usage: Lashing, transportation, transmission, construction ... , plastic bucket, steel bucket/drum/pails, plywood case, plywood pallet, iron pallet as customers'choice. stainless steel long link chain