Korpa 
The series 815 is the basis for our legendary reputation and our best-selling string too - for good reason.
The 815 is THE multi-purpose string that works great on almost any instrument, for every guitar player, in any style. It is suitable for all musician who push the limits of phonetic individuality of their instrument. It offers pristine sound quality and fulfills professional demands for playability, intonation and tuning stability requirements.
- Precision-round (100% uniform round without irregularities or deviations) and higher silver-plated and against corrosion coated bass strings.
- Complete, bass or treble sets are available as well as individual strings.
- Made vor instruments with scale length of 65cm/25.5".
- Trebles: Nylon precision-round, plain
- Basses: Silver-Special coated, wound