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 wont fall off when installed in use. DUST FREE5 pre-drilled holes for dust collection, dont 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. Product 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 grains -10pcs x 120 grains -10pcs x 180g rains -10pcs x 240 grains -10pcs x 400 grains