Do it Solid 96 Percent Tin, 4 Percent Silver Lead- Solder, 1/4 lb. 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°F and liquefies at 430°F, making it easy to work with and cap. It meets the stringent requirements of the Federal Safe Drinking Water Act Amendments of 1986 (Public Law 99-339), ensuring safety and reliability. The product comes in a convenient 1/4 lb weight with a solid core type and a gauge of .117". Packaged on a card, this solder is i for applications requiring a high-quality, lead- solution. Model Number: 53099