Cobalt alloy bare rod & electrodesNo.1 No.6 No.12 No.21Diameter 2.5mm,3.2mm,4.0mm,5mm Package:1kg/2.5kg/5kg in one carton Cobalt alloy powder No.1 No.6No.12 No.21 Particle100mesh to 325mesh Package 2-5kg net in one plastic drum