| MODEL | Roll Diameter | Shaft Diameter | Working Speed | Motor Power | Length | Width | Height | Weight | 
|  | Ømm | Ømm | m/min. | kW | mm | mm | mm | kg | 
| PK-M | Ø137 Ø132 Ø132 | Ø35 Ø30 Ø30 | 2,1 | 0,75 | 730 | 850 | 1500 | 200 | 
 
                                 
                                
                                     Steel body
 2 sub -waltz ball was driven by gear system. hardened and grinded