Cordless Hammer Drill, Voltage 20 V DC, Bare Tool, Chuck Size 1/2 in, Brushless Motor Yes, No Load RPM 2,250, Blows per Minute 38,250, Max. Power 1,219 UWO, Battery Included No, Cordless Tool Battery Type Li-Ion, Tool Length 8 1/2 in, Tool Weight 3.5 lb, Handle Type Pistol Grip