ProSteels are D'Addario's brightest and most magnetic bass strings. - Specialized steel alloy
- Harmonically rich, brilliant high-end coupled with deep, tight lows that work in tandem to create the coveted "Piano Tone" steel players crave
- Great for both articulate fingering or aggressive picking
- Preceision wound on a hexagonal core
- Custom Light
- Gauges: .040-.060-.080-.100 | 
