Grind more smoothly than angle discs with less aggressive than angle discs it's the best choice for flat surface work when using it with an Angle Grinder
Premium Zirconia Grain, #120 Grit 4 1/2 Inch with max speed 13,300 RPM
Built for long-life premium abrasive that works well on stainless steel, hard steel, titanium and various others.
A Zirconia Flap Disc continually produces new sharp points, creating faster cutting and a longer lifespan than aluminum oxide varieties.
Flap Discs consist of sanding strips adhered to a strong fiberglass backing plate in an overlapping circular pattern.