NO.:8799 M1R-HW-8 Rated Voltage: 230/110V~ Rated Frequency: 50/60Hz Rated Input Power: 1300W No Load Speed: 12000-30000/min Dia of wheel: ?8(6)mm Packing Size: 55.5*29.5*28cm G.W/N.W: 18/17kg Qty: 4pcs