Auniwaig Hook and Loop Sanding Discs Package Content: 30pcs x Discs Specification: Color:Gray Size:3 inch/75mm Granularity: 3000 Grit Feature: Flocking Back Back technique: hook and loop Abrasive: aluminium oxide Description: 1. Durable aluminum oxide sand paper is good choice for grinding and polishing on metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials. 2.Sanding discs are made from aluminum oxide. Durable aluminum oxide grain, designed for high speed sanding and removal, delivering fast and long lasting cut 3.Hook and loop sandpaper backing make easy for installation and removal, simplify your work 4.Dtails: Please clean the dust and replace the old hook and loop sanding pad before use to ensure optimal function High Grit: Ultra fine grits for polishing and mirror-like finish - With 3000 grit sandpaper discs made of Aluminum Oxide, get that super smooth surface you’re aiming for! Robust Hook and Loop Apply the sanding discs on and off the sander backing pad repeatedly without worrying about the hook and loop surface giving up on you prematurely