DR Strings Dragon Skin+ Coated Accurate Core Technology 5-string multi-scale Quantum nickel bass strings provide an enormous tone that rings out fully while feeling like an uncoated string. Designed with patented Accurate Core Technology, grooves on the core cradle the wrap wire to allow optimal vibration. A micro-thin coating on the wrap wire gives you extended playability that still feels like an uncoated string. Dragon Skin+ strings are effortless to play and built to last through countless gigs. You'll love the balanced, punchy sound and how the multi-scale design is tailored to your bass.