Hammer Drill Chuck Size 1/2 in Number of Speed Settings 1 Drilling Capacity in Concrete 3/8 in Drilling Capacity in Wood 1 1/4 in Blows per Minute 0 to 46 000 Maximum Blows per Minute 46 000 bpm Minimum Blows per Minute 0 bpm Current 8.5 A Chuck Style Keyed Voltage 120V AC Drill Chuck Type Keyed Drilling Capacity in Steel 1/2 in Handle Type Pistol Grip Includes 360 Degree Side Handle Chuck Key with Holder Depth Rod Kit Contents (1) Bare Tool Maximum Tool Speed 1 150 RPM