Martin M1000 Marquis Acoustic Guitar Strings Xl 3 Packs Extra Light String Gauge: .010, .014, .023w, .030w, .039w, .047w Martin Marquis Strings are specifically designed to give you excellent tone, clarity, and response. The Marquis silk-wrapped ball end helps reduce wear on the bridge and bridge plate, making them ideal for valuable, vintage instruments. Tension: 130.2