Brand NEW! Synthetic Gut Power utilizes a solid core nylon string for crisp feel and control. High energy wraps increase responsiveness for more power and improved feel on contact. No matter your playing style, this string is easy on the arm and can help you get to the next level. Classic synthetic gut construction features solid core Bi-directional Nomex X-Bands provide responsive energy return Lends itself to a variety of playing styles Gauge16 mm1.3 Length Set: 40 ft / 12.2 m - All international buyers are responsible for all tax, duties and/or customs fees.