This item features: -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. -Poly-cotton heat treated backing. -Special optimized resin bond offers maximum cutting capacity, strong edge stability and long life. -Active grinding agent provides cool cutting with light pressure. -Abrasive Material: Zirconia Aluminum. -Used With: Right Angle Grinder/Sander. -Quantity: 10 per carton. Model Code Model Description AADia.:4 1/2 in, Tool Shape:Type 27, Arbor Diam:7/8 in, Grit:120, Speed:13300 rpm, Applications:Deburring, Deflashing, Rust Removal, Snagging, Applicable Materials:All Materials, Type:Type 27 ABDia.:4 1/2 in, Tool Shape:Type 27, Arbor Diam:7/8 in, Grit:36, Speed:13300 rpm, Applications:Deburring, Deflashing, Rust Removal, Snagging, Applicable Materials:Ferrous & Non-Ferrous Metals, High Tensile Alloy