The maple neck features an adjustable truss rod and 5-bolt mounting to the basswood body for perfect alignment and no slipping. A sculpted neck joint allows free access to upper frets. Its rosewood fretboard has 24 wide, high-profile frets. Schaller locking tuners and custom John Petrucci tremolo complete the hardware. 2 Custom DiMarzio humbucking pickups were specially designed for Petrucci. 3-way selector has a custom center-position configuration.