Tojiro SD Bread knife 270mm Takeshi Saji 52100 is a Carbon Alloy

52100 is a Carbon Alloy Steel originally developed in 1905 as a bearing steel for high pressure applications (which is why it is commonly referred to as ball bearing steel) but has since become legendary as a blade steel

This is a coarse stone

but the low maintenance makes up for it

8mm (Above Heel) 1

Shapton stones do not need to be soaked except the very first time after purchase

Tojiro SD Bread knife 270mm Takeshi Saji 52100 is a Carbon AlloyTojiro SD Bread Knife 270mm If youre after a proper bread knife that performs, this is it. The Tojiro SD Bread Knife is a simple, well built tool designed to handle everything from crusty sourdough to soft loaves without tearing or crushing. Made in Tsubame Sanjo, Japan, its built for consistent everyday use. The long serrated edge bites cleanly through tough crusts while still gliding through softer breads and pastries. The construction is practical