Diablo Steel Demon 4-1/2 in. Type 27 Metal Grinding Disc. Diablo's Steel Demon metal grinding discs deliver industrial performance, increased productivity and longer grinding life. Featuring a premium ceramic blend that that delivers up to 6X longer life. A fully reinforced depressed center enables the disc to withstand heavy-duty metal grinding. These discs are ideal for working in hard-to-reach areas.
