- similar to the RG320, except features a bound rosewood fingerboard with pearl sharktooth inlay (DX/EX) or maple fingerboard with black sharktooth inlay (MDX, 2006-present), black hardware, mirror (or white pearloid) pickguard, H/S/H pickups, available in Black (EX/MDX, 1998-2001, 2003-2011) or White (DX) finish, mfg. 1998-2001, 2003-2012.