For use on light and medium duty drilling.  Power is controlled by a built-in air regulator located on the pistol or grip handle,  for adjusting to different drilling surfaces.  The types of handle differ from manufacturer to manufacturer.  Recommended air pressure is 0.59 MPa (6 kgf/cm2).  Key chuck and air hose nipple are equipped as standard accessories.  The specifications listed here are for your reference.  If you wish to order hand drills from a specific manufacturer, please refer to the comparison table listing major international manufacturers and product model numbers on page 59-8.