Solder Wire and Rosin Paste Flux Kit - 60-40 Tin Lead Rosin Core Solder Wire (0.6mm, 100g) and Rosin Paste Flux for PCB Electrical Soldering and DIY from Plusivo - - Amazon.com
MAIYUM 63-37 Tin Lead Rosin Core Solder Wire for Electrical Soldering (0.8mm 100g) - - Amazon.com
Amazon.com: Xuulan Coil Cable Copper Wire 44AWG 38AWG 34AWG 0.05mm 0.21mm 0.9mm 0.12mm Red Wire QA-1/155 for Inductors (Color : OD 0.5mm, Size : Weight 100g) : Industrial & Scientific
Kaisiking 63-37 Solder Tin Lead Rosin Core Solder Wire for Electrical Soldering (0.6mm 100g) - - Amazon.com