Features: High performances reinforced angle grinder disc with premium silicon carbides ensures long durability and precise sharpening for tool, and metal/stone surfaces. Thin 6mm resin bonded grinding wheel features heat dissipation grooves to prevent overheating, compatible for 100mm angle grinders for quick installation and versatilitys polishing. Ideal for DIY enthusiasts, professional chefs, carpenters, and stoneworkers needing reliable sharpening and polishing solution for kitchen cutter, granite, or craft projects. Perfect for home workshops, construction site, and artisanal studios to restore blade sharpness, polish marble countertops, or refine metal/wood surfaces with industrial grade efficiency. Unique design and technology improve polishing efficiency and save time and cost. Specifications: Component: Resin Grinding Wheel Diameter:Approx.10cm/3.93inch Hole Diameter:Approx.1.6cm/0.62inch Option Type:800#,1000#, Applicable scenario:Ductile cast iron, carbon steel, alloy grinding Package Includes: 1pc Grinding Wheel note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.