11-15-22-30-42-52 43 inches Curt Mangan's 80/20 Bronze wound strings exude a timeless appeal, often referred to as old-school or vintage due to their rich history in acoustic string making. Crafted from a premium 80/20 bronze alloy composed of 80% copper and 20% zinc, these strings offer a unique balance of highs and lows, accentuated by a mid-range boost that enhances the clarity and projection of each note. Handmade in the USA with meticulous attention to detail and utilizing FusionMatched technology, Curt Mangan's strings are not just a product but a testament to exceptional craftsmanship and a commitment to delivering a distinct, bright tone sought after by musicians seeking a classic sound.