Model DTI-202T3 / T4Square Drive(inch) 3/8"/ 1/2"Bolt Capacity(mm) 14 / 16Max. Torque ft.lb(Nm)(kg) 350/474 400/542Net Weight (Kg) 1.5Length(mm) 142Air Cons(m³/min) 0.20Air InIet(inch) 1/4"Hose Size(mm) 10Sound Pressure(dBA) 87Vibration(m/S²) 3.1Speed (RPM) 11000Mechanism Twin HammerPacking 10pcs / 0.7cu-ft / G.W.:17kgs