The HiKOKI WH18DBDL2 is an Impact Driver with a high power brushless motor delivering a maximum tightening torque of 207Nm. It has an IP56 rating for dust resistance & waterproofing and triple hammer mechanism with three anvils for higher power and extended life.Longer Battery LifeUpto 50% increased run time per battery for more work with less downtimeIncreased DurabilityHigh tool durability via low friction motor, which produces less heatIncreased Power and PerformanceThanks to improved electrical efficiency and power transfer