D'Addario Helicore Orchestra Upright Double Bass String Set. The best-selling double bass strings from D'Addario - made in USA! Medium tension, designed for arco playing. One set of 4 strings, orchestra. See options to choose your size and type.
Not sure which strings to purchase? Check out our comprehensive guide!
https://www.quantumbasscenter.com/about_upright_double_bass_strings.html