This handy method of storing and dispensing lead will make your glass work easier than ever! No more bulky boxes to store, twisted lengths of came, or wasted sections. Simply unwrap the desired length, cut, stretch and create. With its thick rounded bottom, 1/4" Round U lead came should be soldered to the outside of edge of decorative mirrors and other glass art projects to give them a professional touch. Face measures 1/4". Standard 13/64" channel. Approximately 34 feet long.