Description Product Name: Hook and Loop Sanding Discs/Sandpaper Package Content:40 Pcs 7" diameter 40/60/80/120/150/180/240/320 Grits hook and loop Sanding Discs Sandpaper Material: Aluminum Oxide Product Size: as shown on the picture Features: The sanding discs is great for general polishing.It can be used with random orbit sander to make the rough surface smooth and shiny.Hook and loop design, easy to connect and replace.The sandpaper will not fall off, loose or curl when working.Application:In artificial stone, furniture and wood products, non-ferrous metal, automotive painted surface and other items need sanding and polishing.