Darco Hi-Performance electric guitar strings are designed for essential tone and longevity, using high tensile strength steel cores to resist breakage and nickel-plated steel wrap wire for great tone and longer life.  Made by C. F. Martin, Darco electric guitar strings are engineered and manufactured under strict tolerance controls, using quality material.  Don't be misled by their low price.  They didn't cuts corners on quality or tone.   They may be inexpensive, but they are a surprising and incredible value in terms of tone and playability.  Darco is value without compromise.

Diameters:  .009  .011  .016  .024  .032  .042  inches 

Image:  D-9150 shown for reference only.