4/4 and 3/4 size.;The 390 series offers nickel strings in solo tuning.;Traditional construction for a familiar playing feel.;Bow position and pressure ratios remain familiar, but working with the strings is easier, they give a pure sound with a very rich harmonic spectrum.;This set is designed for basses from 106 cm to approx. 110 cm.;360 Series in solo tuning;A-string nickel, E, B/B and F#/F# strings tungsten wound;Tungsten strings are thinner than nickel strings, are easier to play and produce a different sound, but also have a slightly different feel with the bow.;Therefore, they require less pressure to vibrate, but offer a powerful sound with a great range of tone.;This set is designed for basses from 106 cm to approx. 110 cm, for smaller basses (approx. 100 cm to 105 cm);A Nickel;