uxcell 0.3mm 50g 63/37 Tin Lead Flux Core Soldering Solder Wire Reel Spool Product Name : Solder Wire Reel;Material : 63%SN(Tin), 37%PB(Lead) Reel Size : 5.4 x 2.7cm / 2.1" x 1.1"(D*H) wire Diameter : 0.3mm / 0.012" Weight : 50g(wire+spool) Package Content : 1 x Solder Wire Reel