Red Brand Copper Bronze Acoustic Guitar Strings

Red Brand Copper Bronze Strings. The first brand of Copper Bronze acoustic guitar strings in the world. With the highest copper content of any acoustic guitar strings - more than 80/20 strings, more than phosphor bronze strings - Red String provide precise articulation, a louder sound, greater projection and a warmer, richer tone from the moment you tune 'em up. There hasn't been a signficant new material introduced for acoustic guitar strings in 35 years until now!
Gauges:
7311 Extra Light - 11-15-24-32-42-52
7312 Light - 12-16-25-33-43-53
7323 Bluegrass 12-16-25-36-46-56
7313 Medium - 13-17-26-36-46-56