YOUSHARES Lead Free Solder Wire with Rosin Core (0.8mm, Sn99%-Ag0.3%-Cu0.7%, flux 2.0%), Net Weight 0.22lb for Most Electrical Repair Soldering Purpose High Quality Electronical Solder: Great and brilliant welding joint while 90% lesser slag and smoke, fits various kinds of soldering iron. Lead Free and Rosin Core: Sn 99%, Ag 0.3%, Cu 0.7% with Flux 2.0%. Solder Net Weight: 100 grams (0.22 lbs / 3.53 ounces); Wick Diameter: 0.8 mm (0.0315 inch). Melting Point: 217  (422.6 ). Expansion Rate 78%, Elongation Rate 58%.