Tite-fit electric Guitar strings utilize a nickel-plated steel wrap wire wound on a round core Wire to produce a fatter sound The use of the finest core and wrap-wire materials ensure this classic design meets modern performance standards 10, 13, 17, 26, 36, 46 String Length: 38" Set of Six Strings Made in US, New Jersey by DR Music Inc Free Replacement against manufacturing defects only for the products imported by Trimac Products Private Limited contact