THESE AUTHENTIC AMMCO LATHE PARTS WERE ORDERED BY A CUSTOMER OF MINE, THEN HE BOUGHT A NEW LATHE INSTEAD. (UNFORTUNATELY, NOT FROM ME) THEY FIT THE 4000 LATHE AND MANY OTHER AMMCO LATHES. SO, I'VE HAD THESE FOR A FEW YEARS AND AM DOING SOME SPRING CLEANING. MY LOSS IS YOUR GAIN. FREE UPS GROUND TO LOWER 48 STATES. BE CAREFUL LOOKING AT OTHER ADS WITHOUT THE AMMCO PART NUMBERS 10701 AND 10702. THEY MAY BE AFTER MARKET PRODUCTS.