To be attached on loaders, miniloaders, tractors, telescopic loader, it is suitable for the selection of materials from demolition, digging and earth moving in general. Selection is done through an assembly of screening hydraulic rotary blades in HB400. The thickness of the selec- ted material may range from 0-20 mm to 0-35 mm in a standard configuration. Shafts can be built under the request of the user.