7' x 14' Metal Lathe: Our metal lathe machine adopts external poly-V-belt drive technology. The output torque is increased by 3 times, up to 1:9, so you can turn 45# steel bar easily. With 20 mm / 0.79 in hole through spindle diameter, you can process all kinds of rotating surfaces and end faces of rotating bodies. 4-Speed Adjustment: The benchtop metal lathe adopts a 4-speed continuously variable function so that you can adjust spindle speed flexibly from 0 to 2200 rpm according to your demand. Intelligent electric control speed regulation and digital display equipment are more convenient for you to adjust and operate accurately. High Accuracy & Professionalism: The tailstock spindle features an MT2 taper with top-press thread quick-lock technology for user-friendly use without effort. The precision dial is provided in the tailstock handle so that you can work more accurately and professionally