Premium Material: These burrs are made of tungsten carbide steel for high hardness and high abrasion resistance—processing hardness up to HRA-85.
10 Different Burr Tools: There are 10 pieces burrs in various shapes that you can use for multiple purposes. Ball, cone, cylinder, needlepoint, tapered, etc., meet most of your drilling needs. Could cut cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum, marble, jade, bone, etc.
Double Cut Burr Head: The groove lines of these carbide rotary burrs’ heads are double cut, which makes them more suitable for materials with relatively low density, such as wood, plastic and aluminum.
More Durable: 10 times higher than the durability of high speed steel cutter.
Wide Application: 1/8” (3mm) shank fits most rotary tools with three jaw chuck for accurate centering. An ideal choice for your DIY woodworking, metalworking, carving, engraving, and polishing. Also comes with a storage case to keep burrs organized while not in use, and easy to carry.