Set / Double Bass 1/16 Medium gauge G - D - A - E  Steel/Pure Nickel flatwound Optima Protos (formerly Lenzner Protos) - Steel core strings, flatwound with the finest 100%pure nickel flat wire , achieving an extremely goodplayability and anexcellent sound . The strings are perfectfor students as well as for artists . These (...)  

Set / Double Bass 1/10 + 1/16 G, D,A,E steel cable/chrome steel wound Orchestral tuning Flexocor Double Bass - the warm sounding rope core steel string. Twisted steel core. All strings are with chrome steel winding. The strings feature a typical warm orchestra sound, with short sustain. Easy response, also for low (...)  

Helicore strings are for violin. viola. cello and bass players who are professionals. advanced students. and excellent for electric instruments using PiezoTM pickups. The Helicore strings work well on dark instruments and electric instruments. Great for all styles of music. classical. modern. jazz and country.