"At 8.5 amps this heavy-duty pistol grip hammer drill can handle the toughest drilling of 3/4in. holes in concrete. With dual range speed control, the operator can choose more power to speed for the toughest applications or more speed and less torque for lighter applications. Ideal for use for drilling in wood with Flat Boring Bits, Hole Saws, Auger Bits, and Selfeed Bits. It can also be used to drill in steel with Twist Bits and in concrete with Percussion Bits. Storage Type None, Tool Weight lbs. 6.4, Cordless No, Chuck Size in. 1/2, Cord Length ft. 10, Keyless Chuck No, Blows Per Minute BPM 0-16,000/0-40,000, Side Handle Yes, Amps 8.5, Trigger Lock No, Hammering Modes Rotary hammer, drilling only, Max. Speed RPM 0-1,000/0-2,500. Trigger speed control in two ranges 0-1000 RPM/0-16,000 BPM 0-2500 RPM, 0-40,000 BPM, reversing Two modes of operation hammer with rotation or rotation only Unique brush cartridge system Lightweight 6.4 pounds and well-balanced design 10ft. Quik-Lok detachable cord"