ChicagoCG47SET2
Set includes 47 strings with 2nd Octave Nylon: Artist Nylon 1st Octave 0G - 2nd Octave F, Bow Brand Natural Gut 3rd Octave E - 5th Octave A and Bow Brand Concert Bass Wires 5th Octave G - 7th Octave C (tarnish-resistant nickel-plated formula with color-coded C's and F's).