The S031-LF is a 1 Lb roll of lead free solder in the standard size .031" (0.8mm) diameter.
Suitable for any electronic use.
lead free composite alloy is 99.3% Tin (Sn) and 0.7% Copper (Cu)
RoHS compliant
solder melting point: 440.6°F (227°C)
Rosin Core Flux