230W forward and reverse flexible shaft rotary tool for engraving, polishing, drilling and finishing (0-4mm clamping)

1.The flexible shaft rotary tool has enough power and can work in forward and reverse. | 2. It can work continuously for polishing, sanding, engraving, drilling and so on. | 3.The handle has high concentricity and can be carved finely. | 4. foot switch stepless adjustment, 500-18000 rpm can be controlled freely. | 5.1/6hp motor (110V/60Hz)