4-1/2 In. Steel Demon Flap Disc 40 Grit - Type 29

Diablo's Steel Demon flap discs feature a premium zirconium grain blend for up to 10X faster material removal when compared to standard grinding wheels. The flap discs' special flap design offers flexibility and provides for a cushioned grinding effect. Diablo's high performance flap discs combine two steps in one by simultaneously grinding and polishing.