The Ernie Ball Stainless Steel strings, here in a Power Slinky gauge (11-48), can give you longer string life, brighter, fuller tones and a great feel. If you need that super beefy sound then these are perfect! The plain (treble) ones are tin plated, high carbon steel.This gauge is ideal for those heavier styles like metal as you can tune them down and still get great playability! They're also great for Jazz and much more!The individual string thicknesses are: 11, 14, 18, 28, 38, 48. These are for sale with FREE next day UK delivery so get them quick and hear the awesome stainless steel tone today!