Surprised how well this works and how cheap it is. It is difficult to find a composition with a large grain size. Most mixes are 600 grit. Like the green bars everyone admires, they're only around 600 grit. Which is terrible for tools. This is of course normal with a surveyor or similar. But definitely not for the blade of a plane or chisel. They sharpen your tools to 8k-10k. Then a 600 grit sling? This actually dampens your instruments to less than 1k. Better not to cut at all. Or use bare skin with no connection. Here this material comes to the rescue. This composition is around 8k, making it ideal for instruments.
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