Product Character ZPN052 Oil Impulse Screwdriver Pistol Type Specifications : Non Shut-Off Type Air Inlet Size : NPT 1/4" Recommended Working Air Pressure: 70~90PSI(5kg/cm2~6kg/cm2 )(0.5Mpa~0.6Mpa) Air Hose Size : 10mm x 6.5mm (for 042~062 model ), 12mm x 8mm (for 072 model) Above DATA Are All Measured At 5kg/cm2~6kg/cm2 Working Air Pressure Hex Drive 1/4"HEX Bolt Capacity mm M6~M8 Torque Range Nm(Lb-ft) 13~20(9.6~14.8) Free Speed R.P.M. 5200~5600 Air Cons. m3/min 0.4 Noise Level dB(A) 85 Net Weight kg 0.91 Products and specifications subject to change without prior notice