C.F. Martin Acoustic Guitar Clapton's Choice 92/8 Phosphor Bronze, .012 - .054, MEC12 C.F. Martin MEC12 CFM_MEC12
Eric Clapton - Genesis Publications are publishing "Six String Stories" - a signed limited edition book about Eric's guitars, the proceeds of which will go to Crossroads. Get more info at http://claptonbook.com
Martin MEC12(Eric clapton signature) strings Test - YouTube
Eric Clapton Guitar Strings -.013-.056 Medium - Willcutt Guitars