Based on Spencer design, this micro-tome features Heavy die-cast body and base plate cover made of aluminum, special metal gear, duly lapped slide and guide-ways, Millimeter thread screw for perfect working, lever (Dog) made of carbon steel tempered for long life working. Feed range 1-50 microns in 1 micron steps. Razor angle adjustable up to 30 degrees, backward and forward razor adjustments. Supplied with One 120mm razor with back handle, 3 object holders, Razor honing stone. Packed in wooden box easy transit and storage.