Wood Chipper Shredder 2.Fit for shredding large and hard objects 3.Such as wood/pail/disk/home appliance 4.CE Certificate. Wood ShredderLow rotation rate ... of those very-large and ultra-thick objects.Such as wood , supporting boards, packing barrels, which are usually difficult to break ... diameter is available between φ15-φ40 at user's request. Wood Chipper Shredder