Jones & Lamson thread grinding machine Model 1245 S/N will advise Machine was manufactured by J&L to grind threads, worms and other highly accurate leads on ballscrews and other cylindrical parts  Machine specifications are as follows: Max diameter part....0...................................................12" Max part length..........................................................45" Machine is equipped with the following  Grinding wheel flange Dressers Push button control panel Electrical panel Great assortment of tooling  Books and Manuals Note: Missing coolant tank and filter (will advise if found) Machine can be inspected under power with proper notice in our Statesville, NC facility. Contact us for more photos or information if required. We welcome your calls.