BTI-173is designed for safe, quick, efficient & convenient on site re sharpening of microtome knives. It automates the process of manual Knife sharpening to eliminate unevenness of the surface and ensures equal bevel angle giving a used Knife-edge the sharpness ofa new or factory reconditioned Knife with its compact & portable structure. The instrument is mounted on rubber feet to absorb vibration for quiet and smooth operation. Its imposing finish is easily to clean, resist chipping abrasions and chemical attacks. The top cover of the instruments is closed during the honing procedure to ensure safe operation and to avoid dust and grinding particles being scattered over the work place