durable and anti-static, good choice for sanding and polishing Backing: hook 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 almost 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 detail sanders. Hook and loop backed, and pre-punched with 6 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 hook side of Nylon Buckle sanding pad, please clean the dust and replace the old Nylon Buckle sanding pad before use, and these sandpapers are not suitable for adhesive sticker Nylon Buckle sanding pad. Specifications: Abrasive: aluminium oxide Size: 140 * 90mm Color: reddish brown Pre-punched with 6 holes Back technique: hook and loop