Do it Solid 96 Percent Tin, 4 Percent Silver Lead- Solder, 1 oz. features a special silver-bearing lead- alloy that provides superior strength and excellent flow characteristics similar to traditional 50/50 solder. This solder remains solid at 425 degrees Fahrenheit and melts at 430 degrees Fahrenheit, making it easy to work with and cap. It complies with the Federal Safe Drinking Water Act Amendments of 1986 (Public Law 99-339), ensuring safety and reliability. The product weighs 1 ounce, has a solid core type, and is composed of 96% tin and 4% silver. Its melting range is 430 degrees Fahrenheit, with a gauge of .084 inches, and it is packaged individually on a card for convenience. Model Number: 53098