The 80 grit diamond Matrix stone is made for extreme metal removal. It is such a coarse sharpening stone that we do NOT recommend that you develop a burr with this stone. You should either stop just short of a burr, or remove metal at a slightly lower angle with the 80 grit than what your primary bevel will be sharpened at to preserve the cutting edge.
Unlike the other Matrix stones, it is recommended that you use the 60 grit silicon carbide powder for resurfacing this 80 grit sharpening stone.
***Ideal for the modern "super steels"
***Works great for sharpening ceramic knives
* While we do all we can to reduce voids in the stone we cannot guarantee all stones will be free of them. These voids will not interrupt the sharpening performance.
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Definitely the quickest stone when your reprofiling or removing small chips. I would heed the advice and not even bother using to build your first burr. This removes a lot of steel and very fast. Perfect for those tasks.
First I bought the set without the 80 Grit stone. A month later I ordered the 80 Grit stone and used it right away. Know I ask myself, why I didn't get it with the set. A great stone for the first step to set the angle. amazing how quick you reach goal! Good stone!!
JUST RECEIVED THE 80 GRIT STONE AND USED IT RIGHT AWAY. MUST SAY THIS STONE IS OUTSTANDING AND WELL WORTH THE MONEY.