Click to expand Tap to zoom Ultimate Solder (3 meters) by Hudy Save $-13.00 $13.00 | / SKU HD106290 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Ultimate solder for the RC professional is 1.0mm thick and 60/40 Sn/Pb. Contains 3.3% flux core. The 3m length of solder is nicely rolled into a tiny tube, yet is easy to pull out through the dispensing hole in the cap.