The Microm HM 355 S3 Microtome offers several features of comfort and maximum operation. Comes fully equipped with specimen retraction (which may be turned on or off) and a moveable operating panel for use on the left or right side of the instrument. The touch keypad controls the speed, thickness (from 0.5 to 100 microns) and specific modes. These modes include: manual, motorized, single, interval, multi, and continuous stroke. In addition, the Microm HM 355 S3 Microtome has a vertical stroke of 64 mm and a trimming range from .5-500 um.