Seven 25-disc Packs of 2 inch discs and one 2 inch sanding mandrel. Premium aluminum oxide enhanced sanding discs with anti-loading zinc stearate coating and high cut power for efficient sanding. Kit includes 80, 120, 180, 240, 320, 400, and 600 grit Packs. Drill mount sanding mandrel with hook pad allows quickly changing discs and mandrel. Paper backed.