uxcell 1mm 100g 63/37 Rosin Core Flux Tin Lead Roll Soldering Solder Wire 20M Product Name : Solder Wire Reel;Material : 63%SN(Tin), 37%PB(Lead) Reel Size : 5.5 x 3cm / 2.1" x 1.1"(D*H);wire Diameter : 1mm / 0.4" Total Length : 20M/65.6FT Weight : 102g(wire+spool) Package Content : 1 x Solder Wire Reel