OLYMPIA MCS-2845H CLASSICAL GUITAR STRINGS Olympia classical (Material from USA) guitar pack of 6 strings. This set is for high tension. 'M' Series Professional The 3 thickest strings are silverplate wound and the 3 smallest are nylon Gauges 1 E - 0285 2 B - 0327 3 G - 0410 4 D - 030 5 A - 036 6 E - 044