We have Bosch 1199VSRK 8.5 Amp 1/2-Inch Hammer Drill with Product Detail Half-inch, three-jaw chuck for rugged hammer-drilling applications Pistol grip handle with soft grip and compact ergonomic design Ambidextrous lock-on button to reduce fatigue 12-foot, pivoting power cord for better reach and convenience High-output, Bosch-built 8.5 Amp motor for powering through concrete . The "Bosch 1199VSRK 8.5 Amp 1/2-Inch Hammer Drill" is best product for you. We recommended Bosch 1199VSRK 8.5 Amp 1/2-Inch Hammer Drill