SSW 18 LTX 800 BL (602403840) Cordless impact wrench Powerful cordless impact driver with 1/2" male square and 800 Nm Powerful Brushless motor for greatest efficiency and long battery pack runtime Loosening in APS mode (automatic power shift): prevents falling of the screw/nut with automatic speed reduction after loosening Screwdriving in APS mode (automatic power shift): prevents overtightening of the screw/nut with automatic shutdown after the first impact High torque accompanied by an exceptionally compact design Very powerful for demanding applications Low kick-back operation with extremely high torque Twelve speed/torque levels for a wide range of applications Integrated LED work light for optimal brightness in the work area Robust die cast aluminium .