Product Overview: The Dremel® Max accessory line, designed by our engineers, provides maximum durability and lasting performance The heavy-duty Dremel Max Tungsten Carbide Carving Bit, 9901DM, is coated in Titanium Nitride to last 2 times longer than the standard, non-coated accessory What can you do with it: The extra strong bit is made out of Hardened Steel (HSS) and is coated in Titanium Nitride (TiN) to take on your demanding functional or creative DIY projects that require precision The 3.2 mm accessory can be used for more aggressive applications to shape, smooth, or grind hard materials such as metals, hardened steel, fire ceramics, cast iron, plastics, and hard woods The carving bit works well for projects like metal or glass engraving, stone carving, or removing flash from castings The cylinder shape of the carving bit allows for deep removal of material, cutting flat areas, rounding edges as well as making stop cuts and V-cuts The accessory tip makes flat bottom slots and grooves, flat side cuts, and makes V-cuts when held at 45-degrees How to use: Includes: