Specification Weight 24 kg length 668mm Air pressure 0.35-0.63MPa Cylinder dia 70mm Piston stroke 70mm Impact frequencey(at0.4MPa) ¡Ã28HZ Impact energy(at0.4MPa) ¡Ã45J Air consumption (at0.4MPa) ¡Ã38 L/S Noise ¡Ã112dB(A) Water pressure 0.2-0.3MPa Air pipe (inner dia) 19 mm Water pipe (inner dia) 13 mm Bore dia 34-42mm Bore depth 5m Shank dimensions(hex¡Ãlength) 22¡Ã08 ¡Ã1 mm