Our Morse Taper Holders are designed to fit all standard #4, #5, #6 or #7 Morse taper spindles. All holders have keeper keys and slots to lock then in place in the spindle. Our Universal Keeper Key makes it possible to use these holders in any make machine with a Morse  taper spindle. All Holders are heat treated and precision ground . spanner wrenches are furnished with each holder

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