.3ML bottle of Oatey Flux has been designed specifically for soldering Copper, Brass, & Stainless Steel. Highly recommended for use with Silver solders on Stainless Steel and Copper when soldering temperatures are between 350°F - 550°F (177°C - 288°C). Excellent wetting properties. Effective fluxing action on metal surfaces is 350°F- 550°F (177°C - 288°C).  It is a lead-free product.

Plus. 100" of .032 Kester lead free solder.  ( SN 96.5, Cu .5 Ag 3 )