Hilti 03497788 Rotary Hammer Drill Performance Package, 120-volt 650 Watts; 120 volts 0-1200 rpm speed no load 0-4600 blows per minute 1.3 ft-lb single impact energy Reverse switch; Includes tool, 1 TE-CX drill bits in sizes 3/16 x 6, 1/4 x 6 and 3/8 x 6