 Ghs Tc-Gbxl Thin Core Boomers Extra Light Electric Guitar Strings (9-42)GUITAR BOOMERS 9-42. Thin Core Boomers are perfect for those who want to push the limits of speed and dexterity to the next level. With their slightly smaller core, these Boomers provide lightning fast action and faster speed runs as well as more precise arpeggios and musical bends. Accessories, Strings, Guitar Strings, Electric Guitar Strings, 6 String Sets for Electric Guitar, .009 Gauge Electric Guitar Strings GHS TC-GBXL GHS, .009 Gauge Electric Guitar Strings |