DiMarzio "John Petrucci Pickup Set Black For 43mm Nut (1-11/16"")" Powerful collection of rock pickup tones Quiet performance Great value Quiet performance Great value Two sizes of pairs are available: the 42mm is for normal spacing and the 43mm is for Floyd Rose and other wide-spaced tremolo bridges LiquiFire (neck) One thing has stayed consistent throughout John Petrucci's long and successful career: the DiMarzio pickups in his guitars