Cleartone RED Bluegrass Guitar Strings - Copper Bronze - 7323 - 12-56 - 2 Pack Gauges: .012 .016 .025 .036 .046 .056 Highest copper content of any string brand at 99% copper! These strings offer unequaled warmth, balanced with clear articulation. Package Contains 2 Packs of Cleartone Strings!