- Self-sharpening ceramic grain and cool grinding aid for fast, aggressive cutting action on hard-to-grind materials.
 - Ceramic flap discs are designed to last longer than zirconia flap discs.
 - Polyester backing material for longer working life.
 - Ceramic grain provides Contaminant-Free results; stainless steel won’t rust.
 - For steel and stainless and other heat sensitive materials.