Practical Grit: Package includes 50 pieces of sandpapers in 5 different grits from coarse to fine: 80/240/320/400/600, 10 sheets for each grit, sufficient for your different needs. Mouse sander sandpaper size: 140 x 98mm, pre-punched with 6 holes for dust extraction, suitable for 140mm detail sanders and used for triangle oscillating multi tool sanding pad. Palm sander sandpaper backing: Hook and loop, easy and quick to stick, sturdy, durable and practical, mouse detail sander sandpaper. Diversified choices: Come with coarse, medium, fine grades, triangle sanding pads are widely used in the grinding and polishing of metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials. Abrasive Material: Aluminium oxide, durable and a.