http://tinyurl.com/jwv3lhd<P>Hitachi DH38YE 1 1/2-Inch Spline Rotary HammerProduct Review<P> Click on the link for more reviews<P>5.2 foot pounds of Impact energy<P>2 modes of operation<P>Sealed Grease system<P>External Brushes<P>Dust proof cover<P>