The new Hilti Cordless 22-Volt band file with electronic speed control can be used for grinding and finishing stainless, carbon steel, aluminum, copper, brass and titanium. Precise speed control from 4.3 - 9.5 m/s - you can use higher speeds to remove material very quickly, while the lower speeds help you to craft a perfect polished finish on stainless steel. Upgraded ergonomics with lock-on switch - this electric metal file fits firmly in your grip, for more comfortable handling and precise control even in hard-to-reach places. Its on the cordless tool platform - uses the same Lithium-ion batteries as all your other 22-Volt Hilti power tools.