Optima 4028 MDB Electric CHROME Strings, Double Ball, medium .011 .014 .018 .030w .038 .050 - Set / E-Guitar Chrome-Nickel RoundwoundWith Double Ball EndOurCHROME STRINGScaptivate with a fast and stable intonation, great durability, and are perfect for highest-quality instruments. For the winding wire we use an alloy that is ideal for the sound pickup. The result is a crisp sound with very good playability. Even C.J. Ramone appreciated the benefits of CHROME STRINGS.