【Strong Adhesion】This set of 100 pcs, sanding discs 5 inch 8 hole, features a thickened hook and loop sandpaper back that adheres well to random orbital sanders and has twice the adhesion of regular sandpaper.【Lasting and Durable】The 5 inch sanding discs are made of hard, high-quality aluminum oxide abrasives that are durable and resistant to clogging. Aluminum oxide grains cut quickly and give your project a smooth finish.【8-Hole Dedusting Efficiently】Our 8 hole sanding discs effectively removes dust during sanding, keeping your workspace or home clean and preventing you from inhaling it.【Suitability】Our sanding disc are suitable for most 5-inch random orbital sanders, such as die grinders, air grinders, electric drills, etc. Helping you to smooth, sand and polish a variety of surfaces easily.【Wide range of applications】Disc sandpaper is suitable for grinding, polishing and derusting of metal,non-metal,wood,rubber,leather,plastic,stone,glass and other materials. ( 40-100 grit Coarse grit suitable for rough processing, 120-320 grit for conventional polishing and 400-2000 for grit polishing )