CPIW and Socket Set, Drive Size 3/8 in Square, Voltage 18 V, Brushless Motor Yes, Handle Type Pistol Grip, Tool Weight 2.4 lb, Clutch Style Impact, Features 4-Mode Drive Control For Greater Control, Auto Shut Off Control, Bolt Removal Control, Friction Ring, LED Light, Redlink Plus Intelligence for Overload Protection, Works in up to 69kV Environments, Includes (1) 36 Piece Socket Set