Developed by La Bella’s president Richard Mari Cocco, Jr. with Ned Steinberger, these strings have been manufactured to exact specifications for Steinberger’s revolutionary headless instruments. Specifically designed for Double Ball systems used by Steinberger, Arbor, Burnside, Cort, Hohner, Louts, Mach I and Status Not suitable for any instruments made by Gibson Corp., not suitable for Spirit Instruments Stainless Steel Flat Wound Tension: 5-String Tension: Light String Gauges: .043, .060, .082, .104, .128 Made in the USA with American Wire Packaged using MAP Technology (Modified Atmosphere Packaging) to prevent tarnishing and ensure freshness