
What Is Rockwell Hardness (A.Ka. HRC)?
An axe sits near 50 HRC, supermarket knives 54-58, good kitchen blades 60-66. What that diamond-point test measures, and why harder isn’t always better.
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Notes on knives, cooking and the people who make things slowly.

An axe sits near 50 HRC, supermarket knives 54-58, good kitchen blades 60-66. What that diamond-point test measures, and why harder isn’t always better.

Most homes own three or four knives without really thinking about it. Here are the ten common types sorted, and the four worth buying first.

The chef’s knife began as a butchery tool for slicing through cartilage. Here’s how the gyuto and its French and German cousins compare today.

Back from the forges of Takefu and Sakai, where an ageing trade and few young smiths explain why a handmade knife can take months.

One holds a near-scalpel edge but will rust; the other shrugs off abuse. It comes down to Rockwell hardness, high 50s against mid 60s.

Five blades, two traditions: the chef’s knife, Santoku, paring, bread and carving knife, and where Western and Japanese versions part ways.

A £1,000 knife can take five weeks and a workshop of four to forge. What the price buys: layered steel, hand-welding and balance.

Can you make good sushi at home without a Yanagiba? Where single-bevel slicers ground 70:30 or 90:10 actually earn their keep, and when they don’t.

The difference between Shirogami (#1) and Aogami (#2) steels, how their carbon and alloy content compares, and which blades each suits best.

A guide to knife steel including VG10 and Blue Steel, explaining hardness, toughness, wear resistance, and edge retention in plain terms.

What separates one knife steel from another? A sortable composition table, plus what carbon, chromium and molybdenum each do to edge, hardness and rust resistance.

Western blades meet in the middle at roughly 20 degrees; most Japanese knives are ground on one side only. What that single bevel buys you, and where it doesn’t.
The Slow Letter
A story from the workshops, a recipe worth keeping, and five Knife School letters to start you off. 5% off your first order, sent once.