Stalwart 75-3990A 5.0 Amp 120V Hammer Drill, 1/2" Includes: Impact Drill/Driver, Removable 360 Pistol Grip Handle, Chuck Wrench, Chuck Wrench Holder, Depth Rod Power Input: 550 Watt, Rated Amperage: 5.0 Amps, Rated Voltage: 120 V, Rated Frequency: 60 Hz Speed: 0-3000 R/min, Chuck Capacity: 0.5 inch (13mm) Estimated Maximum Drilling Diameter: In Steel: 0.4 inch (10mm), In Wood: 1 inch (25mm), In Concrete: 0.5 inch (13mm) Drill Dimensions: Length: 2.5 Inch, Width: 10 Inch, Height: 8 Inch