Specifications: Made of high quality sanding disk for electric grinding accessories. It can be used for grinding and polishing, such as artificial stone, furniture, metal, plastic, aluminium and wood, it is good at wear resistance. Suitable for smoothing inside and outside curved edges, surface preparation and fit for most electric grinder. For polishing all kinds of metals, iron, aluminum, woods, ceramics, finishing hard exteriors like wood, wood-works and to shape fine woodcraft designs. Outstanding value and quality turn your rotary tool into versatile high-speed sander. Item Name: Sanding Paper Material: Aluminium Oxide + Plastic Applying: Electric Polishing Thread Size: M6 x 1 Max. Operation Speed: 12000RPM Grits of Sandpaper: 100 Grit, 180 Grit, 240 Grit, 1500 Grit, 3000 Grit (Total 5 Size, Each Size 20Pcs) Features: Wear Resistance, Polishing Tool, Grinding Tool Sanding Paper Diameter: 25mm/1" (Approx.) Loop Sanding Pad: 25mm/1" (Approx.) Length of Connecting Rod: 45mm/1.77" (Approx.) Shank Diameter: 3mm/1/8" (Approx.) Total Height: 60mm/2.36" (Approx.) Notes: About 100pcs sanding paper, due to manual counts, quantity might has 1 - 5pcs more or less. Hope you can understand, thank you. Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 100 x Sanding Papers 1 x 1/8 Polishing Pad Rod