These strings are specifically crafted with the performer in, designed to endure both practice performance schedules. We utilize our highest tensile-strength core wire, which is tin-plated all six strings to enhance corrosion resistance, as the unseen aspects are crucial When combined with our premium wrap wire, you a consistently true tone that you can depend on from song to song. These strings are available in 80/20 Bronze 92/8 Phosphor Bronze.

Martin Authentic Acoustic SP® strings offer exceptional stability, corrosion resistance, and outstanding playability