DR Strings Dragon Skin+ Coated Accurate Core Technology 6-string Quantum nickel bass strings feel and sound unlike anything you've ever played. Accurate Core Technology creates grooves on the core to perfectly cradle the wrap wire, allowing the strings to ring out fully. A micro-thin coating provides longevity while maintaining an uncoated feel. Packed with patented innovations, Dragon Skin+ upgrades both the core and wrap wires to be exceptionally musical, balanced and loud. Designed for discerning bassists seeking tone and endurance, Dragon Skin+ strings empower your bass with a voice that cuts through the mix.