7" Type 27 C3 Ceramic Regular Thickness Disc, 36 (Medium) Grit, 5/8""11 Arbor Hole, Regular Thickness, 8,600 RPM

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 Contaminate-Free results; stainless steel won't rust. For working on flat grinding surfaces. Most efficient when used between 0"15 angle. The best choice for smooth finishing. Suitable for Steel and stainless and other heat sensitive materials.