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Amakusa Binsui XXL Natural Coarse Stone Arato ~3000 Grams
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£51.36
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£51.36
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Amakusa Binsui coarse stone from Kyushu in an extra large size.
Amakusa Binsui are analogous to 400 grit and are the traditional second stone in a progression after the extra coarse Oomura sandstone in sword sharpening. These are great for quickly working up an edge on carbon steel and agreeable stainless steel knives (some very wear resistant steels can be slower to sharpen on these). Some knives are better served by synthetic coarse stones which can be more predictable on wear resistant steels but these are fun to work with and these are great for keeping you stationary in strong winds.
Amakusa volcanic tuff stones were formed from pyroclastic flows of molten ash and can come in different coarsenesses depending on the geology, they are not sedimentary stones like most tennen toishi and are quite durable and do fine with long soak times. To get a slightly more aggressive cut from this stone use a stone flattnener to raise a little slurry and keep the slurry wet during sharpening.
Stones vary slightly in size but are roughly 3000 grams and 220x100x60mm
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About Bernal Cutlery
We are a full-service cutlery shop offering sharpening services, Japanese and Western culinary knives, vintage knives, outdoor, pocket and craft knives, cooking tools and accessories. We also offer knife skills and sharpening classes, and more.
We are proud to serve kitchen professionals, knife enthusiasts and home cooks alike. Located in the Mission District of San Francisco, California.