SODIAL(R) A set of 6 strings for acoustic guitar. Effect of resonance of the comfortable pitch stability Unique rust coating with long service life Suitable for acoustic guitar Diameter channel (6 strings): E 0.28 mm / 0.011 inch, B 0.38 mm / 0.015 inch, G 0,56mm / 0.022 inch, D 0.81mm / 0.032 inch, A 1,07mm / 0.042 inch, E 1.32 mm / 0.052 inch