These Ernie Ball M-Steel Skinny Top Heavy Bottoms are the 'world's loudest' guitar stings ever created which provide a richer tone, more volume and better expression. These are perfect for allowing hard riffing and chugging but at the same time crazy solos and big bends. They're also great for down tuning!The rich tone and powerful low end produced ensures a brilliantly balanced sound right across the spectrum. Thanks to the reinforced wrap wire you can rock out for longer without breaking a string!In the Skinny Top Heavy Bottom gauge the individual thicknesses are 10, 13, 17, 30, 42, 52! This pack is for sale with FREE next day UK delivery so get them quick and experience the awesome M Steels!