With their solid core, these Thomastik Chrome wound steel strings are strident in tone and feel, lending the sound brilliance and enhancing the players confidence on the instrument. Precision are by no means a new invention which makes them more reliable because they have been round for years. They have produced consistent quality, incorporating the latest technical findings and our wealth of musical experience. Precision strings are ideal for students and folk musicians. This standard model has remained popular to this day, not only because of its range but long playing life which is what every player wants a long playing life.