Cordless Screwguns, Screw Gun, Autofeed No, Chuck Size 1/4 in, Battery Included / Bare Tool Bare Tool, Voltage 18V DC, Max. Torque 79 in-lb, No Load RPM 0 to 2500, Clutch Style Silent, Series LXT, Cordless, Brushless Motor Yes, Handle Type Pistol Grip, Cordless Tool Battery Type Li-Ion, Battery Included No, Battery Pack Replacement 4NNN2, Features Lock-On Trigger Switch, Protection Technology (XPT), Star Protection Computer Controls, Tool Length 9 3/8 in, Tool Weight 3.9 lb