Pricing mentioned is for EA. Requires a minimum buy of 1 piece. Flap Discs, Z3 -100% Zirconia, XL, 4 1/2", 80 Grit, 7/8 Arbor, 13,300 rpm, T27; Hazmat=False; Features=Active grinding agent provides cool cutting with light pressure;Excellent on carbon and Stainless steel;Poly-cotton heat treated backing;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;XL flap Discs have 40-60% more material than regular density flap Discs; StandardPack=1EA; CountryOfOrigin=US; Abrasive Material=Zirconia Aluminum; Applicable Materials=Ferrous & Non-Ferrous Metals, Heat Treated Steel, High Temperature Alloys, High Tensile Alloys, High Tensile Non-Ferrous Metals, Stainless Steel; Applications=Deburring, Deflashing, Rust Removal, Snagging; Arbor Diameter = 7/8 in; Diameter=4 1/2 in; Grit=80; Speed=13300 rpm, 13300 rpm [Max]; Tool Shape=Type 27; Used With=Right Angle Grinder/Sander;