Description Alloy of 50 percent tin and 50 percent lead, use with Oatey #5 paste or liquid flux. Used for sheet metal, galvanized gutters, general repairs and non drinking water lines. Not to be used for plumbing. .125" gauge. Contains lead, NOT for plumbing applications. WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer, birth defects or reproductive harm and Butyl Benzyl phthalate (BBP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov