Machine Knife Stone

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This is a 4" diameter round silicon carbide stone with a coarse and a fine side. The finger groove provides a safe place to hold the stone while keeping finger tips protected. Usef ul for sharpening cutting knives on large machines, also used for axes or similar tools. Made in U.S.A. 4" Diameter, 1-1/2" thick. fka product # 1067. Show more