Vintage Machinist Lathe Mill. JACOBS Ball Bearing SUPER CHUCK 16N. With Arbor and Key. You are looking at a nice estate find, as found and for sale here. Large Machinist shop, lathe tools, precision tools, etc is being liquidated daily, look for new listings ongoing. Seems to open and close freely with key. Or if not, shoot me a respectable offer with the make offer button! … I offer no guarantees on items, just like a yard sale… Take it as it is. Ask questions if needed before sale… Make all reasonable offers, worth is subjective. Measurements shown, if in pics. Will be packaged securely and safely… Check out my other items. Be sure to add me to your favorites list. This item is part of an estate liquidation sale. All efforts will be made to disclose defects, with pictures and observations, however, please consider we are not experts and may not catch everything. We do not clean or refurbish any of our items due to the many differences of opinion on cleaning techniques, or original state items, and the sheer volume of items we process. All our items come from many different uncontrollable environments, and may have stains and odors… I can’t smell very good after decades of exposure to many different odors. The free listing tool.