D'Addario Helicore 3/4 Hybrid Contrabass Strings - Brand: D'Addario - Model Name: Helicore - Instrument Type: Contrabass - Number of Strings: 4 - Condition: Used I believe they were light gauge, but I'm not certain. There is slight fraying near the E string (A string), and while there may be other issues, that's the only one I noticed. Due to the above, please consider this item as junk. How about it for those who want to try various strings, even though string sets are expensive? Please note that this is a used item, so no claims and no returns are accepted.