The Ernie Ball Skinny Top Heavy Bottom 2624 8-String Nickel Set 09-80 is a high quality set of strings. Coming from a brand that founded rock n roll strings and has since been championed by some of the biggest names in guitars Ernie Ball promises long last quality in every set. And thats what you can expect from the Skinny Top Heavy Bottom 2624s as theyre built to withstand aggressive strumming and constant gigging. Even better you can enjoy lively and crisp metallic tones from the nickel plated steel wire.As for their longevity the complex construction means theyre less prone to breakages and can be relied upon for gigs.