30X longer life compared to the Dremel 408 sanding band Carbide coating provides added durability to the surface of the drum and will not tear loose like other ordinary sanding bands Functions as both a sanding drum and a hole saw capable of plunge cutting into a variety of materials Ideal for a variety of materials including ceramic wall tile, hard & soft woods, composites, fiberglass, Masonite boards, rigid foam, gourds and more Mounted on an extra strong, 1/8" diameter steel mandrel, the sanding drum allows users to move laterally or orbitally to smooth out surfaces, enlarge holes, or create irregular cavities Includes one 1/2 In. (12.7mm) coarse 60 grit carbide coated sanding drum / hole saw bit Compatible with all corded & cordless Dremel rotary tools