This is a group of cheap, fully professional shredders with a very strong construction. They are designed for shredding plastics, composites, some metal products, wood, fabrics, rubbers, etc. The drum is rotating with a speed of 800 rpm it has 3 or 4 very strong cutting edges with 6 or 8 angled blades. They are made of special hard and wear-resistant steel, so they can be repeatedly sharpened. A sieve with freely selected mesh is hanged under the rotor. In standard there are following devices for receiving grains added to the shredder: worm conveyor installed in a shredder, fan, tubes and bagging device and the control panel. Funnel can be customized to individual needs. There is a possibility of making a shredder with a changed parameters on request.