CGW 42342 Flap Disc Z3-100% Zirconia, XL, 4 1/2", 40 Grit, 7/8 Arbor, 13,300 RPM, T27 (10 Pack)

XL flap discs have 40-60% more material than regular density flap discs Excellent on carbon and stainless steel Premium 100% Zirconia offers maximum cutting capacity, strong edge stability, cool cutting with light pressure and long life Recommended for aggressive use and heavy duty applications Active grinding agent provides cool cutting with light pressure Poly-cotton heat treated backing