Hitachi WR18DSDLP4 Bare-Tool 18-volt Lithium-Ion 1/2-Inch Impact Wrench (Tool Only, No Battery) Industrial grade 2-piece motor with up to 188 flubs of torque to handle the toughest jobs inch square drive for quick and easy socket replacement Two-step power switch to alternate between full-power and power saving modes Bright LED light for visibility in dark or enclosed work spaces Tool only, no batteries or charger included