Stranded Steel/Nickel wound. 
Helicore Pizzicato strings are a multi-stranded steel core string, offering a bright tonal quality and are optimised for pizzicato playing. 

Features: 

• Multi-stranded steel core strings. 
• Brightest tonal quality from the Helicore Bass line. 
• Damping is reduced to create maximum sustain and growl. 
• Easy playability and comfortable left hand feeling. 
• Packaged in uniquely-designed sealed pouches providing unparalleled protection from the elements that cause corrosion.