Practical design: mouse sanding sheets with 2 extra tips for replacement, suitable for Black and Decker 140mm detail palm sander and other 140mm detail sanders Abrasive material : aluminum oxide, durable and anti-static, good choice for sanding and polishing Backing: hook and loop, easy and quick to stick, sturdy and durable; pre-punched with 4 holes for dust extraction Wide application: 5 grits of assorted sandpaper from rough to fine to satisfy almost all your general polishing requirements Package includes: 50pcs mouse sanding sheets, 10x 40/60/80/120 /240 grit Package content: sandpaper*50 Warm advice: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement etc, there may be some slight differences in the color and size between the photo and the actual product. Sincerely hope you can understand! Thank you!