Oatey 53171 Lead-Free Rosin Core Wire Solder, 1/2 lbsOatey Rosin Core Solder in alloy compositions 95 5 (95% Tin, 5% Antimony). Non corrosive, non conductive rosin flux is contained in the core of the solder. Rosin Core Solders are primarily used for electrical applications. Rosin Core Solder can be used to repair radios, televisions, electrical appliances, wiring and other finer electronic work. Highlights: Size: 1 2 lbs 0. 063" Gauge. Lead Free Alloy of 95% Tin and 5% Antimony. 450F 464F melting