A01 ACOUSTIC GUITAR STRINGS 11-52 Specifications : - Plain String: Plated Steel - String Core: Hexagonal Steel Core - Wound Strings: Phosphor Bronze Winding - Coating: PCVD Coating - Ball-End: Gold-Plated - String Gauge: .011/.015/.024/.032/.042/.052 Made of hexagonal steel core and phosphor bronze strings. This set features clear-melodious treble and deep-steady bass. Using vacuum equipment and omnipresent nanoscale coatingIt can reduce the corrosion of more than 95% of human sweat. With anti-rust coating, these strings last much longer.