made of impact-resistant ABS plastic, to achieve even greater accuracy and stability, the horizontal holder is made of zinc incl. handle handle, the machine is designed for a running time of 30 minutes per hour, optimized diamond grinding wheel for knife grinding, composite wheel for final polishing of the cutting edge, no risk of annealing the steel, does not remove more steel than necessary, fast grinding, cutting edge angle adjustable as required, quiet running, for blade widths 14-60 mm and thickness up to max. 3.5 mm