This tin-plated copper wire solders very readily to lead or foil. It is often used in small loops to provide a place for attaching nylon thread or chain for hanging your stained glass suncatcher or panel.
Easily bendable, it can be used in many other ways in the design and construction of stained glass works. Flower stems, halos, antennae, airplane struts, and the bars in the windows of a diminutive stained glass jail house are just a few of the many uses that spring to mind.
500-foot spool.