These rods are 1/8" x .050" x 19.5". This is our best product for ground system connections. It is ideal for soldering (brazing) copper strap to copper strap or ground radials. Its high silver content makes it durable and helps ensure excellent conductivity. It holds up to outdoor exposure extremely well. It requires no flux for clean copper-to-copper connections. Not recommended for brazing ferrous metals.
Composition: 15% Silver, 5% Phosphorus, 80% Copper