High performance twin hammer mechanism with higher output, more efficient airflow and improved air motor response torque. Interior parts heat treated to minimize wear. Higher power delivery through new development of the air motor and efficient air flow and improved pull-up torque air motors. Air exhaust through the handle downwards. 550 Nm recommended tightening torque. 1150 Nm max tightening torque. 1700 Nm max loosening torque. 8491 RPM. 6.3 bar operating pressure. Includes a 7.2 mm male quick connect air hose fitting. For 1/4" male quick connect fitting, see part # 16072.