Specification:<br/> These sharpening stone are lightweight, portable and resistant to friction.<br/> The sharpening stone is 3000grit that you can use for polishing and smoothing edges.<br/> Easy to replace the stone of the sharpening system.<br/> Equipped with silicone base.<br/> Mainly used in instrument industries, precision parts, micro tools, gemstones, measuring tools, cutting tools, instrumentation, etc.<br/> &nbsp;<br/> Item Name: Grindstone&nbsp;<br/> Material: Natural Stone<br/> Quantity: 1Pc<br/> Type: 3000Grit<br/> Features: High Hardness, Durable, Knife Sharpener<br/> Size: 15cm x 2cm x 0.5cm/5.91&quot; x 0.79&quot; x 0.2&quot; (Approx.)<br/> &nbsp;<br/> Notes:<br/> Due to the light and screen setting difference, the item&#39;s color may be slightly different from the pictures.<br/> Please allow slight dimension difference due to different manual measurement.<br/> &nbsp;<br/> Package Includes:<br/> 1 x Grindstone&nbsp;<br/>