Heavy cast iron base with entire mechanism covered with a heavy cast iron protective dust cover. It incorporates a Ball & Flange type object holder for exact centering of specimen. Lateral Movement of Knife holder ensures use of complete knife edge. Microtome has a feed range of 1-25 microns in steps of 1 micron each. Supplied with Razor 120 mm long with back and Handle, Dust cover, Honing Plate, Object Holder ( set of 3 ) and oil can. Razor supplied is made out of alloy steel & duly hardened for long lasting knife edge.