Do it Acid 95% Tin, 5% Antimony Lead- Solder, 1/2 lb. is a high-quality solder designed for reliable, lead- applications. Composed of 95% tin and 5% antimony, this solder excellent performance for various projects, ensuring strong and durable connections without the use of lead. I for professionals and hobbyists alike, it provides a safer while maintaining effective soldering results. Model Number: 53470