Milwaukee 5363-21 1-Inch Compact SDS Rotary Hammer with Anti-Vibration System High power 7-Amp reversible motor delivers 2;0-Feet-Pound of impact energy, 0-5,980 bpm and 0-1,400 rpm All metal gear case and block construction for optimal bearing and gear seating; three modes of operation-hammer drill/drill/chipping for maximum versatility Anti-vibration system, soft grip handle and two-finger trigger for optimal operator comfort Rotating brush plate for equal power in forward and reverse for easy removal of jammed bits and extended brush life Compact and lightweight, l-shape design provides excellent balance and positions hand directly behind the bit for maximum control especially in overhead drilling applications