Dunlop Rev. Willy Electric Guitar Strings - Light Soulful, rich, articulate and smooth, Billy Gibbons' big fat Texas tone has been described as "hot, blue, and righteous Billy Gibbons of ZZ Top is known for big fat Texas tone that has been described as "hot, blue, and righteous." Developed in collaboration with Billy himself .8 / .10 / .12 / .20w / .30 / .40 Packaged in three levels of moisture protection and sealed in a VCI (Vapor Corrosion Inhibitor) Fresh Technology bag for maximum freshness