MODEL COMMANDO 50 Max. Capacity(Core / Broach Drilling) 50 mm dia 50 mm Depth Max. Capacity (T.S. Twist Drilling) 23 mm Watts Input (full Load) 1500 Watts No Load Speed Low Gear : 100-265 r.p.m. High Gear : 200-500 r.p.m Spindle Bore 19.05 mm (3 / 4") Approx Net Weight 18.8 kg. Production oriented & accurate core drilling in metal Taper Shank & Twist Drill compatibility