Maintenance and operation of the crusher is simple and easy. It is suitable for every kind of limestone. Required product size can be easily obtained by altering the rotor speed and discharge gap. The crushing chamber is protected against abrasion by the liner plates. Hammers, liner plates and breaker bars are easily replaceable. Dimensions of the inspection door are wide enough for easy maintenance. Final products have excellent cubical shape that improves the quality of concrete and asphalt considerably.