The Hikoki model WH18DBDL2/W4Z is a 18V Impact Driver Body Only, ideal for trade professionals. The HiKOKI brand replaces Hitachi Power Tools. The WH18DBDL2 18v Brushless Impact Driver features a high power brushless motor with a selection for 4 speed modes: Soft Mode for delicate work, Normal mode, Power Mode for heavy work and Self Drilling mode for use with screws. So whatever the application you will have the ability to work efficiently. The brushless motor works more efficiently then a standard brushed motor. Providing more power, a longer run time per charger and an overall longer tool life. Supplied as a bare unit, batteries and charger available separately.