... 20ton Dia of load chain:6mm,8mm,10mm Lever Chain Block Competitive Price Capacity: 0.5~20tonDia of load chain:6mm,8mm,10mm ... Link Chain:Ordinary Mild Steel Link Chain,USA Standard Chain with Hooks, ASTM80 Standard Link Chain,NACM90 Standard Link Chain, ... ,stainless steelSurface:self-color, polishing,blackened,pained,plastic coating,hot-dipped galvanized,electro galvanized,PVC coated or as you required ...