This is a new Phase II CXA-size (250-series) quick change tool post set, stock number 251-333, designed for lathes with 13" to 18" swing capacity. The set includes the 250-333 quick change tool post body with its locking cam and handle (250-333), a standard turning and facing holder (250-301), a turning and facing holder with extended reach (250-302), a parting blade holder (250-304), a Universal Parting Blade holder (250-307), and a knurling/boring tool holder (250-310), all finished in black oxide for corrosion resistance. The tool post body features a precision-ground dovetail interface and a positive-locking cam mechanism for repeatable tool indexing; holders use four set screws to clamp tool shanks.