No waste! No mess! This disposable 7.1 gram syringe of Silver Bearing Solder Paste is convenient while easy to apply. Our solder paste works with a match, lighter, soldering iron or torch. Our Silver Bearing Solder Paste allows anyone to solder all ferrous and non-ferrous materials. These metals include, black steel, bronze, cast iron, chrome, coated steel, copper, gold, monel, nickel, platinum, silver and steel. Our product provides the strength needed without the distortion of high temperature brazing. The paste also offers superior electrical conductivity while also being resistant to stress and vibration. As a result it can be used for soldering wires, connectors, cables, copper piping, home plumbing, car radiators and so much more!