?HITACHI Brushless Impact Wrench Features:AC brushless motor, no carbon brushes means longer service life & maintenance freePowerful 370W brushless motor with a maximum torque of 360Nm for high torque applicationsTightening mode switch function allows the user to adjust the impact rate according to the applicationSoft start suppresses kickback when startingOverload protection shuts power off to the motor in the event of excessive loadCan be used with a petrol engine generator when access to mains power is limitedLarge rocker switch for easy forward and reverseLarge front & rear rubber bumper protects the outer frame and helps protects work piecesSoft grip handle for easy handling and user comfortConvenient metal belt hook