La Bella HRS-LTHB El. Guitar RWNP, String Set For Electric Guitar, Strings: .010, .013, .017, .030W, .042, .052, Material: Nickel-plated steel, Medium high tension, Round wound, Bright and long-lasting sound, Ultra flexible for string bending and for improved sustain, Packaged in a modified atmosphere to prevent tarnishing and preserve freshness, Made in USA