ITEM NAME:Tin Wire Tin Lead Melt Rosin Core Flux Solder Soldering Welding Wire WBE FOW.PB37/SN63 rosin cored solder. Flux is 2.0%. Widely used in electronic appliances, circuit boards, electronic components and other solder parts. Material: tin lead. Product list :1pcs tin wire. We'd like to settle any problem in a friendly manner.