Hydraulic Driver Drive Size 1/4 in Hex Drive Configuration Straight Max Torque 450 in-lb Voltage 18 V Brushless Motor Yes Free Speed 3 000 RPM Impact Rated Yes Impacts per Minute 4 000 Number of Speed Settings 4 Collett 1/4 in Hex Cordless Tool Kit Contents Bare Tool Number of Batteries Included 0 Battery Series M18 Redlithium Charger Included No Case Included No Handle Type Pistol Grip Built-In Light Yes Overall Length 5 in Wireless Tool Tracking No Power Source Cordless