· Pitbull Mutant Series Acoustic Guitar Strings - Nano Coated with Phosphor Bronze Windings· Rediscover Your Music with Warm, Bright, and Clear Sound Character· Price-Performance Powerhouse - Excellent Sound and Comfortable Playability· Standardized Quality with Computer-Controlled Machines· Catch the Details in Your Music with Unique Playing Response· Complimentary Pick Included - Long Shelf Life with VCI Anti-Corrosion Packaging· World-Standard Acoustic Guitar Sound· Pitbull - A Globally Registered Brand