This is a review about a piece of steel. You might think there’s not much to say about such a thing, but don’t let this seemingly innocuous selection of gear fool you—it’s no ordinary piece of steel. Oh no, it’s a laser-cut, laser-engraved, heat-treated, double-disc-parallel-ground piece of high carbon 420 stainless steel. And it happens to be 223 millimeters in diameter.

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