Cordless Screwgun Kit Screw Gun Kit Autofeed Yes Chuck Size 1/4 in Battery Included / Bare Tool Battery Included Voltage 20V Max Torque Not Rated No Load RPM 4400 Clutch Style Adjustable Series 20V MAX XR Cordless Brushless Motor Yes Handle Type Pistol Grip Cordless Tool Battery Type Li-Ion Battery Capacity 4.0 Ah Battery Included 21RV47 Battery Pack Replacement 21RV47