SOL-DS/CS5 (Casepack of 5) Solder Wire 60/40 Rosin Core in Tube Dispenser for Easy Repair Soldering 5' of Sn60Pb40 Soldering wire rosin flux core ideal for electronics soldering 1mm (0.038 in) diameter solder wire. 10 Grams dispenser tube is 95mm (3 inches) in length