The Fender HM Strat (heavy metal strat) is one of several superstrat model guitars produced by Fender Musical Instruments from 1988 until 1992. Originally it was produced in Japan and then from 1990, in the United States. It had medium jumbo frets, a flat fretboard, floyd rose licensed double locking Kahler “Spyder” tremolos, and black hardware. For more info see Strat Central - FMI