The Harris Products 331775 STERLING Lead-Free Plumbing SOLDER is a high-quality soldering product made in the USA by Sterling Harris. This 4 oz container of plumbing solder comes in wire form with a diameter of 0.118 inches. It is specifically designed for plumbing applications, making it ideal for welding and soldering equipment in the industrial sector. The STERLING 113 model ensures reliable and efficient soldering performance, making it a valuable addition to any toolbox or workshop.