1)products:G3Si1 2) Sizes: 0.8 - 1.6mm 3) Applications: be widely usedto weld carbon steel and alloy steelconstruction, such as shipbuilding, bridge building, machinery manufacturing and general welding purposes Packing: spool weight: 1kg ,5kg,15kg,18kg,20kg per spool drum weight: 100kg or 250kg per drum precision layer wire on the black plastic spool or metal spool, covered with the wax paper, each spool in ploy bag with two little silicon in the carton, then put on wooden pallets