Harris Products 0620F1 Harris 0® Flat Brazing Alloy Rod; BCuP-2, 1/8 Inch x 0.050 Inch x 20 Inch, 28 Stick Tube, 0% Silver, 7.1% Phosphor, 92.9% Copper. This low cost alloy is suitable for most copper-to-copper or brass joints where good fit-up exists and the assemblies are not subject to excessive vibration nor movement