Easily take on hard-to-grind materials including super alloys (cobalt, inconel, and titanium) and stainless steel with the Blaze R920 CA supersized cartridge roll. The premium ceramic alumina abrasive grain provides greatest productivity with significantly faster cut rates. The premium abrasive, strong resin bond and x-weight cotton cloth backing resist wear offering an increase of 50% to 300% extra life and the rolls supersize creates cool cutting. The cartridge rolls are strips of abrasive cloth rolled and glued to form a solid shape that is designed to break down during use and reveal the next layer of abrasive. They are mounted on a mandrel and used on high speed grinders for inside surfaces and inside corners where other forms of abrasives cannot reach. Use with M-9 mandrel part no. 08834181209. Package of 100.