Each set has seven metal strings. They are as follows: 0.024 - bronze - 62.5 inches 0.019 - bronze - 61.5 inches 0.013 - steel - 63 inches 0.01 - steel - 63 inches 0.01 - steel - 63 inches 0.008 - steel - 63.5 inches 0.008 - steel - 63.5 inches