... 20ton Dia of load chain:6mm,8mm,10mm HSZ-A Type Chain Block Good Quality Capacity: 0.5~20tonDia of load chain:6mm ... so on.Stainless Steel Chain:Japanese/DIN766/DIN5685A/DIN763(DIN5685 C) /Korean/Australian/ASTM80/NACM90 Standard or others.High tensile ... fishing chain,three-link chain for coal transfer,transport chain……Material:carbon steel,alloy steel,high-quality alloy steel,stainless steelSurface: ...