SFARZO POWER 7's ™ SEVEN STRING GUITAR SETS. The Power 7 Seven String Guitar sets are based on the Sfarzo S.F.T. formula of Nickel / Iron. This combination results in a very powerful sounding guitar string. |
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| 7040S4 7-40 Lite 54 |
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| .009 .011 .016 .024 .032 .042 .054 |
| 707056 7-70 Regular 56 |
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| .010 .013 .017 .026 .036 .046 .056 |
| 708058 7-80 Blues 58 |
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| .011 .014 .018 .028 .038 .048 .058 |
