These strings are made of the now well-known composite monofilament ALLIANCE KF (some people call them carbon strings) , exclusive to Savarez. Years of research have been necessary to adapt this material to the demands of the musicians and to get an outstanding product for music uses.
The use of KF ALLIANCE material first introduced by Savarez, changed the world of guitar. The strings were first made of gut then made of nylon. The trebles are now made of a high technological material, very different from nylon : different elasticity, higher density, further longevity thanks to the very specific cristallinity grade.