Do it Powdered No 95 Lead- Tinning Flux with Brush, 1.7 oz. is expertly formulated to clean, flux, and pre-tin all metals except aluminum, ensuring a reliable and efficient soldering process. This product combines the benefits of paste flux and powdered lead- solder to promote positive solder flow, making it i for various metalworking tasks. The 1.7 oz. container comes with a convenient applicator brush, allowing for precise and easy application. for professionals and hobbyists alike, this tinning flux supports strong, clean solder joints without the use of lead. Model Number: 312908