Cordless Impact Wrenches Impact Wrench Drive Size 1/2 in Square Drive Configuration Straight Max Torque 700 ft.-lb. Battery Included Voltage 20VDC Series 20V MAX XR Cordless Tool Battery Type Li-Ion Brushless Motor Yes Anvil Impact Action Mechanical Max Blows per Minute 2400 Max No Load RPM 1900 Cordless Handle Type Pistol Grip Battery Capacity (2) 5.0Ah Tool Length 8-13/16 In. Tool Weight 7.2 lb. Clutch Style Keyless Battery Included (2) 31AC52