Features: The combined unit can be selective use of calibrating sanding with the roller by giving thickness and fine sanding with the sanding pad.And it possess high precision. This machine is the specific equipment for floor and furniture industry. Technical Specification: Working Width 610mm Min. Working Length 350mm Working Thickness 2-90 mm Speed of Abrasive Belt (Front)18m/s (Rear)12m/s Feeding Speed 4-16m/min Totle Motor Power 19.87kw Dimensions of Abrasive Belt 1560mm*630mm Working Air Pressure 0.55MPa Volume of Sucked Air 4500m(3)/h Overall Dimensions(L*W*H) 1750*1050*1770mm Net Weight 1000kg