D'Addario EXP-44 Classical Strings, Extra-Hard Tension
Classical Strings: Silverplated/Nylon
Extra-Hard Tension: 1st-.029, 2nd-.033, 3rd-.041
Extra-Hard Tension: 4th-.030, 5th-.036, 6th-.047.
EXP44, extra hard tension, is optimal for maximum string resistance and projection without compromising tone.
The EXP coating provides 3-4 times longer lasting string life.
They are the highest tension string offered by D'Addario