Chemtronics 80-2-10-CHEMTRONICS Soder Wick 80-2-10, Blue One 10 ft. Spool of 0.06 in. diameter Soder-Wick Rosin packaged in ESD-safe static dissipative bobbins Minimizes the risk of damage associated with static electricity Noncorrosive ultra high purity Type R rosin flux Minimizes the risk of heat damage to the board Will not leave ionic contamination on the boards