High quality lead-free flux core solder
- Alloy composition: 96.5% tin, 3% silver, 0.5% copper
- Contains 2% rosin flux core for excellent wetting of copper surfaces
- Diameter: 0.5 mm
- Roll weight: 50 g
Small solder wire diameter helps with accurate feeding – a common beginner mistake is using too much solder. One 50 g roll will last for many kits.