Tin Lead Resin Cored Dia Solder Wire QANKI SN60Pb40 0.3mm-2.0mm 0.25kg – autoecupart
1.0mm 40/60 Tin/Resin Flux Rosin Core Solder Soldering Wire & Pen Tube Dispenser Tin Lead Core | Merit Badge Kits
What is the difference between rosin-core and resin-core wires in soldering pencils (not electronics)? - Quora
Komoko Tin Lead Rosin Core Solder Wire (0.8mm, 50g), Soldering Wire, Liquid Solder, Suitable for Electronic Soldering - The Top Choice for Electronic and DIY Projects - Amazon.com
TOWOT Tin Lead Rosin Core Solder Wire for Electrical Soldering, Content 1.8% Solder Flux Sn60-Pd40 (1.0mm, 50g) - Amazon.com