ITEM NAME:Useful 2mm 63/37 Tin Lead Line Rosin Core Solder Flux Solder Welding Iron LJ Features: 63/37 rosin core solder FLUX 2.0%. Wire diameter: 2.0mm. Melting point: 361 °F/183 °C. Good solderability, insulation resistance, No spattering and Non-corrosive. Widely used in electrical and electronics, solder parts like circuit board, electronics devices and others. Size: 2.2 x 1 inch / 5.5cm x 2.8cm. weight of one reel: 100g/3.5oz Package Includes: 1 x 2.0mm Tin Lead Soldering Wire Reel.FLUX 2.0%. Widely used in electrical and electronics, solder parts like circuit board, electronics devices and others. 1 x 2.0mm Tin Lead Soldering Wire Reel.