Overall length of sharpeners in 7", sharpening surface dimensions are 2 and 1/2" x 3/4". Use a 20 degree angle when sharpening.
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QUESTION: What is so significant about monocrystalline diamond surfaces? ANSWER: The monocrystalline surface is a single crystal structure that last longer and does not break up with use, as opposed to polycrystalline diamond surfaces which is a fragmenting compound that breaks away with use.