Description: Item Condition:100% Brand New A fine-grained whetstone, used for fine sharpening Single sided diamond cutter sharpener Sharpening Stone for polishing, sharpening,it can also make mirror surface, mirror finish Made from diamond,it's extremely hard, maintain their shape well and wear resisting. Material: Diamond Color: as picture show Size: Approx. 150x63x1mm/5.90x2.48x0.04inch Package Includes: 1 piece Sharpening Stone