The HiKOKI WR 36DB brings together the combination of a high power output Multi-Volt Battery and high efficiency Brushless Motor which delivers power and torque equivalent to an electric (AC) model. HiKOKI is the new brand name for Hitachi. With a Tightening Torque of 1050Nm to the 1/2 Inch / 12.7mm square drive and a runtime of approximately 95 high-tension bolts per charge. The WR 36DA has a unique design of dust-protective cooling windows and fully plastic coating on some important inner parts which conforms to IP56 protection class ratings (dust and water resistance). Sold with 2 x BSL36A18 Multi-Volt 18V 5.0Ah /36V 2.5Ah batteries and UC18YSL Charger in a Carry Case.