Screw Gun, Autofeed No, Chuck Size 1/4 in, Battery Included / Bare Tool Bare Tool, Voltage 18V DC, Max. Torque 124 in-lb, No Load RPM 0 to 4500, Clutch Style Adjustable, Series M18, Cordless, Brushless Motor Yes, Handle Type Pistol Grip, Cordless Tool Battery Type Li-Ion, Battery Included No, Battery Pack Replacement 38D762, Features Auto Start Mode When Tool is Locked-On, Motor Automatically Starts on Contact with Drywall, Powerstate(TM), Tool Length 9 in, Tool Weight 2.5 lb