DescriptionDiy crafts professional tool: rotary file set provides micro-drilling or cutting portion in various forms for diy craft like wood carving, root carving, enable you hollowing any shape on wood. Multi-purpose: hss tungsten carbide single cut files carving bur handles materials such as wood, plastic, ceiling tiles, drywall, laminate, fiberglass, vinyl siding, soft metal like aluminum, jade, bone etcmulti-function: round handle carving burs bit is suitable for engraving, beveling, chamfering, grooving, reaming, shaping, hollowing & great tools for detailed worktarget: 20pcs different higher quality of wood milling burrs is perfect for all sorts of jobs like model making and woodworking carving and get the favor of diy lover, such as a jeweler, amateur, arts and crafts manufacturers, modelers, etc.Compatibility: 3mm (1/8\) shank hss burr set fits most rotary tools or die grinders including for dremel, wen, apollo and more.