ITEM NAME:0.7mm 63/37 LJ Welding Iron Wire Reel Tin Lead Line Rosin Core Solder Wire ^LJ Specifications: Trustable factory produced, brand new 63/37 rosin core solder FLUX 2.0% wire diameter: 0.7mm Melting point: 361 °F/233 °C total wire length of one reel: approx 1.7m.Total wire length of one reel: approx 1.7m.