ITEM NAME:0.8mm 50G 63/37 Rosin Core Flux 2.0% Tin Lead Roll Soldering Solder Wire.Flux 2.0%. Weight : 50g. 1 x 0.8mm Tin Lead Soldering Wire Reel. Widely used in electrical and electronics, solder parts like circuit board, electronics devices and others. Wire Length : 7m /22FT.