The dewalt dcf899n 18v xr impact wrench has a powerful fan cooled motor which delivers 950nm of torque and 2400 impacts per minute whilst the 3 speed and torque settings gives you the control to best suit your applicationthis dewalt xr impact wrench has a bright white led with delay feature for improved visibility and flashlight functionality along with the comfortable rubber xr grip and switch for greater application comfort and maximum control this impact wrench features a 12 13 mm squ