The Bernzomatic® Aluminum Brazing and Welding Rods are great tools for a variety of tasks including soldering or repairing aluminum windows, doors, gutters and siding. They are easy to use whether you're on a job site or completing a project at home. With a low working temperature of 720 to 750 degrees Fahrenheit, these rods can also be used to build up aluminum joints without distortion, discoloration or loss of strength. They have a tensile strength of 33,000 psi. Package includes two rods.