EXCELLENT QUALITY AND PERFORMANCE: La Bella offers a wide range of classical guitar strings designed to meet the needs of contemporary guitarists and luthiers. The Concert Series strings are made with clear nylon trebles and silver-plated wound basses. These strings offer exceptional memory for pitch and provide a clear and articulate sound. | CLASSICAL GUITAR STRINGS: The 2001 Series Classical Guitar Strings are the product of years of intense research and development. During the formulation of the 2001 Series, prototypes were tested worldwide by fine performing artists and teachers. These guitarists expressed a need for classical guitar strings with a greater response, clarity and sustaining power. To meet this demand, La Bella redesigned both the treble and bass strings according to new specifications. | EASY TO INSTALL: Replace your strings in minutes with La Bella guitar strings. They're labeled for quick and fool-proof installation. | STRING GAUGES: Clear Nylon Trebles: .029 .0335 .041; Silver-Plated Wound Basses: .0285 .035 .0415. La Bella Classical Guitar Strings are made of the finest materials available. The clear nylon trebles are made of a special formula that provides brilliance, clarity, and long life. The silver-plated wound basses provide a smooth feel and rich warm sound. | MADE IN THE USA: La Bella guitar strings are made in the USA with American wire. Our strings are packaged using MAP Technology (Modified Atmosphere Packaging). This process controls the amount of oxygen and moisture in the packaging, which helps keep your strings fresh.