Model G 18 ST Capacity (Wheel Dia) 180 mm (7'') Capacity (Hole Dia) 22.23 mm (7/8'') Spindle Thread M 14 x 2 Power Input 2,000 W No Load Speed 8,500 /min. Overall Length 469 mm (18-1/2'') Weight4.9 kg (10.8 lbs.) Standard Accessories Wrench, Side Handle