All ball and needle bearings for long tool life. Torque limiting clutch. Powerful 11 AMP motor for heavy duty use. Easy lever change from " hammering only" or " rotation with hammering". "Spline" type drive system for maximum power. Air cushion design for hard hitting and fast drilling. Large comfortable grip swivels 360? for easy handling. Factory grease packed for reduced maintenance. Automatic brush cut-out system to protect motor
