Steel Demon - 4‑1/2" Flap Disc 40 Grit ‑ with Speed Hub

• Premium zirconium grain blend is a superior quality formulation designed for fast material removal and long sanding life
• Delivers up to 10 times faster material removal than a bonded grinding wheel
• Type 29 - Conical design

Diablo's Steel Demon™ Speed Hub 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.