WELDING ROD : Square rod and Round rod Square size: Max: 4.2mm Round Diameter : 1.5mm~ 4.0mm WELDING WIRE Diameter : 0.8mm~ 1.2mm WELDING RING Wire Diameter: 0.8mm~ 1.6mm Ring Diameter( In) : 8mm~ 35mm WELDING SOLDER Thickness: 0.13mm~ 0.5mm W: 10mm~ 30mm Package: 0.5kg/ roll; 1kg/ roll; 1.5kgs/ bag; 2 kgs/ bag; 20kgs/ box;