La Bella LT/HB Bender B1052, String set for electric guitar, Round Wound, Gauge: Light Top/Heavy Bottom Tension, Material (winding): Nickel Plated Steel, Strings: .010, .013, .017, .030w, .042, .052, La Bella produced ""The Bender"" strings under the La Bella brand, other string makers and the world's biggest guitar builders in the 1960's and 1970's, Made by reusing the exact nickel formula from the original ""Bender"" guitar strings for the most authentic vintage electric guitar strings on the market, Packaged in a modified atmosphere to prevent tarnishing and preserve freshness, Made in USA