The JPM90HAM features a basswood body with a flamed maple top and translucent Petrucci graphic bolted to a maple neck with a 24-fret ebony fingerboard with offset dot position markers. Components include dual DiMarzio humbucking pickups and a Lo-Pro Edge double locking tremolo with a locking nut. Along with the JPM90HAM, special Paul Gilbert, Joe Satriani and Steve Vai models were released for the Hoshino anniversary.