Guide Bar Kit For 4000, 4100, 7000 and 7700 Lathes Brake Lathe Replacement PartsAMMCOPart #: TMRGBKIT10346$121.74 Add to Cart Features and Benefits: 1 - GB10346 - Guide Bar For 4000, 4100, 7000 & 7700 Lathes 1 - LS28529 - Lead Screw Nut Service Kit For Ammco Lathes