🔪 The Ultimate Sharpening Solution: Bora 501098 Combination Sharpening Silicon Unleashed! Review

This stone works well as a sharpening stone for diamond saws. Also, at this price point, it's a lot cheaper than items specifically marked as diamond whetstones. The stone is silicon carbide (SiC), although the ad is unclear and the packaging says it's silicon oxide (which it isn't). The SiC stone has a grain size of 240 on one side and 320 on the other. Measurements in specs are accurate, other stones appear to be smaller. Overall, it's worth it for straightening diamond saw blades.

Does what it should. Judging by the description, the grit (240/320) is correct. The block arrived intact with just a few nicks and chips along the corners and edges, and the work surfaces are flat and regular. However, the label on the packaging describes the material as silicon oxide, which is ordinary glass. This material is gray in color instead of the traditional green silicon carbide (part of the product description) used to hand dress tungsten carbide cutting tools such as lathe tools. If

The product shown is a silicon based copper stone. It is actually misidentified as silicon oxide. Silicon sharpening stones are silicon carbide and are preferred for harder materials like ceramic and glass, the latter of which I bought. Aluminum oxide works well for general sharpening of most metal blades and is less aggressive than silicon carbide stones. If I order an advertised product, I hope to receive that product or a product that matches its composition and application. I don't want a…