DR Strings Dragon Skin+ Coated Accurate Core Technology 8-string nickel electric guitar strings give you a full, balanced tone with outstanding clarity. Their patented Accurate Core Technology creates grooves in the core to hold the wrap wire in place, allowing the strings to ring out fully. A micro-thin coating provides long life while feeling like an uncoated string. These strings are designed to feel and sound better than anything you've played before. With the Dragon Skin+ strings, you'll experience rich harmonics, precise intonation and a lively tone.