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. Some glass artists prefer the more simplified look of Flat U lead came. Unlike Round U lead came, it has a flat bottom. Face measures 1/8". Standard 5/32" channel. Approximately 54 feet long.