HSZ-A Series Chain Block Capacity: 0.5~20ton Dia of load chain:6mm,8mm,10mm HSZ-A Series Chain Block Capacity: 0.5~ ... 20tonDia of load chain:6mm,8mm,10mm ... or others.High tensile chains:Lifting chain,Lashing chain,chains for ship,fishing chain,three-link chain for coal transfer,transport chain……Material:carbon steel,alloy steel ...