Cordless Screwdrivers, Screw Gun, Chuck Size 1/4 in Hex, Battery Included / Bare Tool Battery Included, Voltage 20V DC, No Load RPM 0 to 4440, Clutch Style Depth, Series 20V MAX* XR, Cordless, Brushless Motor Yes, Handle Type Pistol Grip, Cordless Tool Battery Type Li-Ion, Battery Capacity (2) 4.0 Ah, Battery Included (2) 21RV47, Battery Pack Replacement 21RV47, Features Depth-Sensitive Nose Cone, Trigger lock-on, Tool Length 8 3/4 in, Tool Weight 2.5 lb, Includes (1) Kit Bag