This heavy turntable base lets you reposition the work’s center of rotation for working under a microscope. The 10″ (254mm) diameter turntable has a unique bearing system coupled between the two flat ground steel plates. A removable centering post lets you position the turntable directly under the microscope. Comes with Brake Kit (#003-343) and Low-Friction PTFE Pad (#044-165), also sold separately. Does not include vise or block.