Tempering blades

These oyster knives are designed to function to their purpose, right,,, so the active part of an oyster knife is 1/4 to 1/2 in of the tip, the thinnest part !
I choose my steel and HT my o knives accordingly. New 1045 mid carbon steel + a tough temper should ensure a durable use specific blade. Think more screwdriver tip than razor blade.

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