Features: Solder Wires 1) Diameter: 0.3, 0.5, 0.6, 0.8, 1.0, 1.5mm 2) Sn/Pb: 63/37, 60/40, 55/45, 50/50, 40/60 Features:Solder Wires1) Diameter: 0.3, 0.5, 0.6, 0.8, 1.0, 1.5mm2) Sn/Pb: 63/37, 60/40, 55/45, 50/50, 45/55, 40/60, 35/65, 30/70, 25/753) Weight: 200g, 250g, 500g, 900g, 1,000g4) Flux: 2.0% Solder Wires (Sn/Pb)