sentences:  As of 2007 Ibanez has publicly released 15 PGM guitars including two anniversary models and the acoustic PGA1000.Most PGM model guitars have the same body shape as the Ibanez RG guitar models with removed tone knob and volume knob placed to Paul Gilbert's personal preference.Some are usually available with a fixed bridge, others such as the PGM30 of 1995 feature a Lo-TRS double-locking tremolo system and a 24-fret maple neck with rosewood, ebony or maple fingerboard.