C F Martin Strings

The company is also known for producing high-quality, popular acoustic guitar strings and they have been making their own strings since 1970. These include the successful Martin SP Lifespan the fastest-growing long-life string in the industry, the exciting new Retro Strings line played and loved by Tony Rice and Laurence Juber and the Martin SP Acoustic and SP Flexible Core lines, which use an industry leading core wire to hold tunings better.