SCHOFIC Lead Free Solder Wire with Rosin Core (0.8mm, Sn99%-Ag0.3%-Cu0.7%, flux 2.0%), Net Weight 0.11 lb for Most Electrical Repair Soldering Purpose (2) : Amazon.in: Home Improvement
Learning soldering wires and connectors - HKU Robocon Tutorials
How to Solder Wires Together Correctly Like a Pro (Easy Tips and Tricks)