421-53061 Features: -Excellent on carbon and stainless steel.-Premium 100pct 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.