Check the listing for details. Diamond Grinding Disc 6" Grit 2000 Flat Lap Wheel Sanding Polishing Disk Tool. Condition: New. Listed at 16.71 USD. Diameter: 6"Grit: 2000Arbor Hole: 20mm / 25/32"Thickness: 1mm - 1.5mm / 1-32" - 1/16" (Moderate thickness, solid and durable. Coarse-grained ones will be thicker than fine-grained ones due to larger emery particles.)Material: High Carbon SteelFinish: Diamond Coated (Electroplated Diamond)Style: Only one side is coated with diamond.Package Content: 1pcs x Diamond Grinding DiscDescriptions:High-hardness materials that are difficult to grind can be ground with the diamond grinding disc, which can also sharpen dull metal engraving tools. With repeated use, its durability is comparable to multiple sheets of water sandpaper.The grinding wheel is electroplated with diamond particles for excellent grinding results. Not easy to fall off, wear-resistant and durable, ensuring long tool life and reducing the need for frequent replacement.