Package Included70 pcs Mouse Detail Sander Sandpaper, 40/60/80/120/180/240/400 grit, there are 10 pieces of each specification, which can meet your various needs polishing HOOK & LOOPEasy installation and removal, also won't fall off when installed in use. DUST FREE5 pre-drilled holes for dust collection, don't worry of dust management. DurableMade from premium aluminum oxide, providing fast and long-lasting sanding. EASY TO IDENTIFYThe grits of the sanding discs are printed on the back for easy identification. Specifications Abrasive: Aluminum Oxide Size: 140*90mm Color: reddish brown Pre-punched with 5 holes Backing technique: hook and loop Coarse, Medium, Fine, Extra Fine Grades (40/60/80/120/180/240) Quantity: 70 pcs Mouse Detail Sander Sandpaper Weight: 30 oz Package included: -10pcs x 40 grains -10pcs x 60 grains -10pcs x 80 grits -10pcs x 120 grits -10pcs x 180 grits -10pcs x 240 grits -10pcs x 400 grains