Hudy 106290 Professional solder (3metres)
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.
Special Solder that flows well. Not like the eco friendly stuff which does not .