C3 Ceramic Flap Disc, 4-1/2 in dia, 40 Grit, 7/8 in Arbor, 13300 RPM

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