These strings now as standard on a Roundcore. This gives the string extra warmth with a little less harshness, particularly useful for naturally bright guitars. The Roundcore also helps reduce the tension on the wound strings.

09-42) 09 / 11 / 16 / 24 / 32 / 42

(10-46) 10 / 13 / 17 / 26 / 36 / 46.

(11-49) 11 / 14 / 18 / 28w / 38w / 49w