Bernzomatic PC3 Copper-Phosphorous Brazing/Welding Rods, 3-Piece Copper-phosphorous brazing/welding rods ideal for use in refrigeration, electrical and plumbing jobs Contains 12-Inch rods Tensile strength: 40,000 psi Working temp: 1,310-1,475-Degree farenheit Joins copper to copper without flux, or copper to copper alloys (brass, and bronze)