Solder Roll 63% Sn and 37% Pb, 0.031" with 1 lb.

• ✓ Active Rosin Flux With Excellent Wetting Action
• ✓ No Clean Residue Required for Most Applications
• ✓ Meets ROSIN1 J-STD-004 Industry Specifications
• ✓ Works on Gold, Silver, Copper, Platinum, Nickel
• ✓ 44% Flux Content With 3.3% Flux Core Ratio
• ✓ 1 lb Spool for Extended Soldering Projects