This Fry Metals 60/40 solid core solder wire with a wire diameter of 0.125 in is perfect for soldering and welding projects. The solder has a container size of 1 lb, and the package contains a total of 7+ lbs. The model is Fry Classic 60, and it has been manufactured in the United States. The solder is suitable for CNC, metalworking, and manufacturing industries, and it is a great choice for stained glass projects. However, it is important to note that this product contains lead, and it may cause birth defects or other reproductive harm. For more information on California Prop 65 Warning, please visit the official Proposition 65 Warnings Website.