Видео с ютуба N690 Blade Steel

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The 3 Best Knife Steels According To Science! || THE Knife Steel Nerd Guide To Knife Steels.

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Spyderco Forester (N690) vs Mtech MT 151 (440) cutting Asphalt Shingles

N690 steel

Какая бюджетная сталь для лезвий режет дольше всего?

Тест ножей из сталей Дамаск и N690, какую лучше выбрать?

Выбираем сталь для ножа. N690, CPR, Cromax, Elmax, M390, M398, S90V, S110V, S125V, QPM53

TOP 5 STEELS THAT TAKE THE SHARPEST EDGES OF ALL : "HAIR MELTING SHARP" !?