 Martin Msp4200 Phosphor Bronze Medium Acoustic Guitar Strings (2 Pack)Gauges 13-17-26-35-45-56Martin MSP4200 Phosphor Bronze Medium Acoustic Guitar Strings use a winding alloy that is ideally suited for making strings that deliver deep, rich basses and clear, bright trebles.Martin strings are high-quality strings designed for daily use. Core and wrap wires must meet strict requirements to make the grade. Martin acoustic guitar strings are wound to precise specifications.2 packBronze alloy for brilliance and long lifeGreat priceStudio-quality performance Accessories, Strings, Guitar Strings, Acoustic Guitar Strings, 6 String Sets for Acoustic Guitar, .010 Gauge Acoustic Guitar Strings Martin MSP4200-2PK Martin, .010 Gauge Acoustic Guitar Strings |