Compatible with Festool ETS 150, RO 150, LEX 150 and other 6-inch sanders. P40 grit abrasives for heavy-duty applications, pack of 50. Festool's Cristal abrasive stays cool, won't clog and makes short work of tough jobs. Cristal employs a durable aluminum oxide that cuts, rather than grinds, the material surface, leading to faster material removal and a cleaner finish. Cristal employs a flexible bonding material and no-load coating, making it the ideal abrasive solution for rapid material removal, stripping old finishes, or rough shaping. All Festool abrasives are engineered and manufactured to strict FEPA standards, guaranteeing uniform abrasive positioning and consistent sanding results. Festool offers a fully integrated sanding solution for all your applications, from aggressive stock removal to superfine, finish sanding. With a complete line of abrasives in a wide assortment of different types and grits ranging from 24 to 4,000, Festool has the perfect paper to meet your specific application needs. Festool abrasives, with their high tech coatings, provide maximum resistance to clogging and smearing, which means longer lasting abrasives and less rework. Save money by reducing costs and achieve consistent, high-quality results.