1.Two-speed gear;
2.Manual operation;
3.The best demonstration effect;
4.The best delivery time
5.OEM accepted

1.all-metal, two steps speed. Gear shaft and bearing box with connections running smoothly, no noise.
2.the application of the principle of gear transmission speed, transmission gear ratio within the multiple sets of different wheels, so that transmission through the manipulation of institutions working in different gear.
3. Full manual, students can participate. Perfect demonstration lathe work process and principles of transmission.

4.Material selection of metal, stable performance, the best demonstration, long service life.