This 60pcs sanding paper set is perfect for DIY grinding and polishing(wood, metal, polishing purposes). These are high sanding disk for electric grinding accessories. Can be used for polishing, such as metal, plastic, aluminium and wood, good wear resistance. Specifications: Color: Burdy : Aluminium Oxide + Plastic Applying: Electric Polishing Sanding Paper Diameter: 50mm / 2" Loop Sanding Pad: 50mm / 2" Thread Size: M6*1 Shank Diameter: 3mm / 1/8" Length of Connecting Rod: 45mm / 1.77in Max. Opeion Speed: 12000RPM Total Height: 60mm / 2.36in Grits of Sandpaper: 100#, 240#, 600#, 800#, 1000#, 2000# (Total 6 size, each size 10pcs) Item Weight: Approx. 76g / 2.68oz Package Size: Approx. 10 * 7 * 5cm / 3.94 * 2.76 * 1.97in Package Weight: Approx. 80g / 2.80oz Package List: 60 * Sanding Paper 1 * 2" 50mm Loop Sanding Pad 1 * Polishing Pad Rod