GHS Strings GB8 1/2 Guitar Boomers Set GHS Strings GB8 1/2 Guitar Boomers, Nickel-Plated Electric Guitar Strings, Ultra Light + (.008 1/2-.040) Featuring the air-tight Fresh Pack & Nitro-Pack singles, guaranteed fresh from the factory! Round wound Nickel-Plated Steel on a Hex Core Offers a brilliant tone and powerful attack, THE POWER STRING. Ultra Light+ Gauge: 008 1/2-010 1/2-014-022-032-040