GHS Strings GB-DGF David Gilmour Signature Series, Nickel-Plated Electric Guitar Strings (.010-.048) Model: GB-DGF Featuring NitroPack singles, guaranteed fresh from the factory! Custom Gauges featuring Nickel-Plated Electric Guitar Boomers, Used Since "The Wall" Offers a brilliant tone and powerful attack, THE POWER STRING. Signature Gauges (Blue): 010-012-016-028-038-048