Comes with 100pcs 1 inch/ 25mm abrasive hook and loop sanding disc pads in 5 different grit 100/ 180/ 240/ 1500/ 3000, 20pcs of each grit. Made from Aluminum Oxide, the sandpaper is durable and anti-static enough. Hook and loop backing system is strong and long lasting, easy to install and remove different grit sanding discs. Open-coat produces an even and consistent scratch pattern, special stearate coating offers better surface finishes, and perfect cleaning and polishing effects. Compatible with 1/8 Inch (3mm) shank sanding backing pad which fit for most kinds of rotary tools, such as die grinders, air grinders, electric drills, etc. Can be used for polishing, surface preparation such as metal, plastic, aluminium and wood, good wear resistance. artificial stone, furniture and wood products. Features: Sanding discs are made from aluminum oxide, durable and anti-static. 5 different grits sandpaper assortment from rough to fine to satisfy almost all your general polishing requirements. These sanding papers are extremely durable and practical, perfect for cleaning and polishing, making the semi-rough finish smooth. 1/8 shank sanding pad is compatible with most die grinders, air grinders, electric drills. Perfect for polishing of artificial stone, furniture and wood products, metal, automobile. Specification: Sandpaper Material: Aluminum Oxide Sandpaper Grit: 100 / 180 / 240 / 1500 / 3000 Grit, each size 20pcs Sandpaper Diameter Size: 1 inch (25mm) Diameter of Shank: 1/8 inch (3mm) Total Length: 2-1/3 inch (60mm) Backing Plate Holder Type: Hook and Loop Max. Operation Speed: 10000RPM Package Including: 100 x Sandpaper 1 x Sanding Backing Pad with 1/8 Shank