Features: 100% brand new. A fine-grained whetstone lubricated with oil, used for fine sharpening. The ruby sharpening stone and agate stone, for polishing, sharpening. Can make mirror surface, mirror finish. The Ruby Sharpening stone is made from sintered crystals of synthetic ruby. It's extremely hard, maintain their shape well and are resistant to wear. Model: 3000 & 10000 Grit. Material: Ruby stone and natural agate (as it is natural stone, some stone has other colour like black or white dot etc, please pay attention). Size: Approx. 100x25x10mm (3.94"x0.98"x0.39"). Package List: .
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