Diamond whetstone 70x25 mm W7E, W7F, W7C, W7X Small, inexpensive whetstones for sharpening and honing tools
On the diamond whetstone, any hard material, including hard metal, can be sharpened or smoothed with a few splashes of tap water. The microscopically small diamonds, which are only visible as a glimmer to the naked eye, cause an effective cutting action due to their sharp edges. The surface will remain even even even with frequent use. After use, simply rinse the surface with water.
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