Ensemble de 6 forets en acier au titane à grande vitesseCREATE PERFECT HOLES IN ANY MATERIAL QUICKLY AND EASILY You can use them to drill holes in any material. Works on plastic, wood and most metals, including steel, brass, aluminum and copper. The shank is small enough to fit any standard size collet, such as on a small drill press or on a hand held drill. The drill is made from heat treated and fully polished classic high speed steel with a titanium coating for proven performance and durability.