One Pack of The Martin Acoustic M150 80/20 Bronze .013-.056 Medium Acoustic Guitar Strings are high-quality strings designed specifically for acoustic guitars. Made from bronze with a round wound winding, these strings provide a warm and bright tone that is ideal for a variety of playing styles. With a gauge of 0.013 - .056, these strings are suitable for medium tension guitars and are uncoated for a natural feel and sound. Perfect for musicians looking for reliable and versatile strings to bring out the best in their acoustic guitar. Price $10.00. If interested, leave a phone number or will not answer. Local pick up and cash only.