Specification: Color: wine red Material: alumina plastic Application: electric polishing Sandpaper diameter: 1 inch 25MM Thread size: M6 Link length: 45mm Operating speed: 12000 rpm Total height: 60mm Sandpaper particles: 100 , 180 , 240 , 1500 , 3000 (5 specifications in total, 20pcs each) The smoother the surface of the sandpaper, the larger the grit size. Package Include:100Pcs 1inch 25mm Sandpaper 1Pcs M6 Thread 1Pcs Connecting rod Specifications: 1. It includes 100 pieces of abrasive paper (100-3000 coarse sand) with a diameter of 25 mm and a knife handle and polishing pad. 2. It is applicable to polishing artificial stone, furniture, wood products, metals, automobiles, etc. 3. It is applicable to smooth internal and external curved edges, surface treatment, and most electric grinders. 4. It is suitable for polishing all kinds of metal, iron, aluminum, wood, ceramics, polishing wood, wood products and other hard external surfaces, and can be used for fine woodworking process design. 5. The outstanding value and quality make your rotary tool a multi-functional high-speed sander. Package Included: 1 x Polishing paper suit 1 x 1 inch roller pole