Impact Driver Drive Size 1/4 in Hex Drive Configuration Straight Max Torque 1 825 in-lb Voltage 20V DC Brushless Motor Yes Free Speed 3 250 RPM Impacts per Minute 3 600 Number of Speed Settings 3 Collett 1/4 in Hex Cordless Tool Kit Contents (1) Bare Tool (1) Battery (1) Charger Number of Batteries Included 1 Battery Capacity (1) 4.0 Ah Battery Model No Mfr No DCB204 Battery Series Max XR Charger Included Yes Charger Model Mfr No DCB115 Case Included Yes