Interactive · Mackay Shear-Steel Tool

Cutting-Style-to-Steel Selector

Answer four questions. The tool weighs edge retention, corrosion, and — honestly — whether you can actually sharpen a hard Japanese steel where you work.

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Reminder from our guide: the steel is only one variable. A well heat-treated 440C beats a poorly-made VG10 — ask any supplier how the blade was hardened and honed, not just what grade it is.