Martin MSP4100 Phosphor Bronze Light Acoustic Guitar Strings are made from a 92/8 composition alloy to give that brilliance, clarity, and longevity of sound required by serious guitarists. The phosphor bronze winding alloy is ideally suited for making strings that have deep, rich basses and clear, bright trebles that today's acoustic guitarists demand. Martin strings are high-quality strings designed for daily use and are wound to precise specifications. Core and wrap wires must meet strict requirements to make the Martin Guitar String grade.

Multi-pack inlcudes includes 3 sets of Martin MSP4100 Phosphor Bronze Light Acoustic Guitar Strings & a high quality T-shirt commemerating the 175th anniversary of Martin.

**For INTERNATIONAL orders--Due to the weight of this item, additional shipping charges will be applied at checkout.