ITEM NAME:63/37 1mm Tin Lead Rosin Core Solder Flux Soldering Welding Wire Reel Description: High quality rosin, lead and tin, no odor, non-toxic or unhealthy odor and less smoke. It is easy to use and works normally. Rosin is evenly distributed and has good continuity. Good adjustability, shorter wetting time, less splash and residue. Using solder wire coils, welding can be completed faster, saving time and effort. Widely used in electrical and electronic equipment, circuit boards, electronic equipment and other welding components. Package Includes: 1x Rosin Core Solder Wire.High quality rosin, lead and tin, no odor, non-toxic or unhealthy odor and less smoke. It is easy to use and works normally. Rosin is evenly distributed and has good continuity. 1x Rosin Core Solder Wire.