Dragon Skin+ strings sound huge, are easy to play, and have outstanding endurance. Packed with patented technology, Dragon Skin+ upgrades both the core and the wrap wires to be exceptionally musical, balanced, and loud. Accurate Core Technology? creates grooves on the core to cradle the wrap wire into place, allowing the strings to ring out to their full, blissful potential. A micro-thin coating on the wrap wire provides long life while feeling like an uncoated string. Designed to feel and sound better, Dragon Skin+ strings are unlike anything you?ve ever played. The difference is real. Superior tone, feel and tuning stability from Accurate Core Technology? Great resonance and extra-long life from micro-thin coating on wrap wire Quantum Nickel produces a rich tone with high output.