The Ernie Ball Regular Slinky Classic Rock N Roll Pure Nickel wrap 10-46 electric guitar strings 3-pack features individually sealed sets for lasting protection and better storage. These packs provide a convenient, cost-effective solution if you are buying multiple sets at the same time, while still ensuring each set stays as fresh as possible. Made from pure nickel wire wrapped around tin-plated hex-shaped steel core wire, Regular Slinky Classic Rock N Roll strings produce a warm, rich tone with that signature Slinky feel. Ernie Ball strings have been the premier choice for musicians around the world for over 60 years.