GOOD POLISHING EFFECT: Great for art and wood work,aluminum, painted surfaces, non-ferrous metal,fiberglass, automotive, leather, walls, metal, jewelry, stone, craft, car, and plastic applications for buffing and polishing. DUST EXTRACTION: Our 5 inch(125mm) sanding discs fit universal orbital sander.Pre-punched with 8 holes for efficient dust extraction. EASY TO IDENTIFY:The grits of the sanding discs are printed on the backside for easy identification. Meet All Your Need:100pcs 60# 120# 240# 400# 600# 800# 1000# 1200# 1500# 2000# grit 5in sanding discs assortment pack, each grit 10pcs. Good Material:Made from aluminium oxide abrasive,anti- static and provide longer-lasting grit.Easy installation and removal, also will not fall off when installed in use. WIDE APPLICATIONS- ideal for grinding and finishing on metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials aluminum oxide grain and premium resin bond system give smooth finish.Easy installation and removal,providing maximum performance on a variety of surfaces. Specification Material: aluminum oxide abrasive Color: reddish brown Number of holes:8 holes Diameter: 5 inch/ 12.5 cm Grits: 60# 120# 240# 400# 600# 800# 1000# 1200# 1500# 2000# grit Quantity: 100PCS sanding discs ( 10PCS each grit) Features Sanding discs are made from aluminum oxide, designed for high speed sanding and heavy duty removal, delivering fast and long lasting cut. sandpaper backing make easy for installation and removal, simplify your work.