The longest lasting, most aggressive sanding discs Cyclone Technology, Walter’s exclusive high tech blend 6 times more stock removal than regular sanding discs 2 times faster cutting than regular sanding discs Provides consistent quality finishes COOLCUT XX sanding discs are formulated with Walters exclusive Cyclone Technology abrasive grain blend to provide extremely aggressive material removal rates and the longest life in the industry. These discs allow you to remove more material faster while also lasting longer than traditional aluminum oxide or zirconia alumina sanding discs, making them ideal for use in a production environment. Speed up production while using fewer abrasives with COOLCUT XX. Ideal for sanding, finishing, surface cleaning, grinding, blending and weld removal. For use with aluminum, non-ferrous metals, steel and stainless steel. Package of 25.