Drop forged, high speed steel with titanium coating provides faster, smoother and cleaner cuts. 1/4″ quick change hex shank can be used in any drill or drill press. Includes 1pc 3/16″ to 1/2″ six step bit, 1pc 1/4″ to 3/4″ nine step bit, 1pc 1/8″ to 1/2″ thirteen step bit. Ideal for aluminium, brass, copper and mild steel. With storage pouch.