Material abrasive: aluminium oxide, durable and anti-static, good choice for sanding and polishing Size: 140 * 90mm, -punched with 5 holes for dust extraction, suitable for 140mm Backing: and loop Nylon Buckle, easy and quick to stick, sturdy, durable and practical Wide application: 10 grits sandpaper assortment from rough to fine to satisfy all your general polishing requirements Mouse sandpapers are made from aluminium oxide abrasive, durable and anti-static. The grit is larger, the polish effect is finer. Suitable for using with 140mm . and loop backed, and -punched with 5 holes for dust extraction, easy to use. Wide application. Apply to metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials grinding, polishing and so on. Note: These sandpapers are suitable for matched 5 holes side of Nylon Buckle sanding pad, please clean the dust and replace the old Nylon Buckle sanding pad use, and these sandpapers are not suitable for adhesive sticker Nylon Buckle sanding pad. Specifications: Abrasive: aluminium oxide Size: 140 * 90mm Color: reddish brown -punched with 5 holes Back technique: and loop Coarse, medium, fine, extra fine grades,5 sheets of each grit sanding paper: 40/ 60/ 80/ 100/ 120/ 180/ 240/ 320/ 400/ 800, 50 pieces Package Contents: 5 x 40 Grit Mouse Sandpapers 5 x 60 Grit Mouse Sandpapers 5 x 80 Grit Mouse Sandpapers 5 x 100 Grit Mouse Sandpapers 5 x 120 Grit Mouse Sandpapers 5 x 180 Grit Mouse Sandpapers 5 x 240 Grit Mouse Sandpapers 5 x 320 Grit Mouse Sandpapers 5 x 400 Grit Mouse Sandpapers 5 x 800 Grit Mouse Sandpapers Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little erent from the real thing. The measurement allowed error is +/- 1-3cm.