Input Power: 900W No-load speed: 200-380m/min Sanding Paper: 76 x 533 mm Color Box(1pc):37 x 14.5 x 17 cm Packing size(10pcs):38x 31 x 35 cm 16/13kg 2700pcs/20''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''