Uchigumori 300000 A

Natural polishing stone for a Japanese sword.
It is a final stone of the groundwork.
Uchigumori can make the Ha white and bring out the Ji.
At this stage the Hamon should become clearly visible.
There is no artificial substitute stone.


We will send the stone shown in the picture.


Please pick up brown rust line or inclusion before using.



Dimensions 22.2 x 8.2 x 5.4 cm
It is a large clean stone.

Weight 2660 g




-- Recommended Book and DVD --

The Art of Japanese Sword Polishing
https://www.namikawa-ltd.com/product/99

Hon'ami Koshu - Sword Polishing - (DVD)
http://www.namikawa-ltd.com/product/771
Uchigumori 300000 A

Price: 300,000yen

Quantity: