JET GH-1440W-3 Lathe with VUE DRO and Collet Closer Uniquely designed exclusively by JET Hardened and ground gears are featured in the headstock and gearbox D1-4 spindle is precision ground for accuracy and supported by high-quality tapered roller bearings Headstock is constantly oiled during operation Splined, not keyed, shafts are utilized in the headstock