Graph Tech's PN-8000-00 is a set of six GHOST loaded saddles with a center intonation screw. They are designed to work with any of their GHOST preamp kits. They will fit any Stratocaster- or Telecaster-style guitar with a string spacing of 2-1/16". Each set of saddles come with a set of longer intonation screws for use with modern style Telecaster-style guitars.