The milwaukee m18 blid brushless impact driver has a compact design that measures only 137mm in length with 99mm head height the brushless motor technology delivers 170nm of torque 2800rpm and 3600ipm it has a heavy duty full metal gearbox and gears for superior durability and maximum torque with a one handed bit insert with retention lock it is also fitted with a bright led work light for workspace illumination redlink overload protection electronics in the tool and battery pack deliver best i