Packaging: packed in polybag, the blue case is only for display,not in the packet. Silver content: 2%/5%/10%/15%/25%/40%/45% /72% Diameter: 1.0mm/1.5mm/2.0mm/2.5mm/3.0mm/4.0mm; Wide range of applications: suitable for welding or surfacing alloys with high strength, good forgeability and good corrosion resistance. Perfect welding effect: It has good weldability and corrosion resistance, high thermal conductivity, high electrical conductivity and excellent processing performance, so the design has a complete and smooth welding effect.