Uchigumori-do 50000 B

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.


The surface of this stone is rough.
Please polish with a Omote-zuri stone and smooth the surface.
We sell 3 types of Omote-zuri stone.


We will send the stone shown in the picture.

There is no rust in this stone.
However, some gray inclusions might appear, so please take that out .



Please pick up brown rust line or inclusion before using.



Dimensions 19.5 x 7 x 3.7 cm

Weight 1330 g



You can order Omotezuri stone from the following link.
Omura-do for Omotezuri http://www.namikawa-ltd.com/product/55
Binsui-do for Omote-zuri http://www.namikawa-ltd.com/product/54
Tsushima-do for Omotezuri http://www.namikawa-ltd.com/product/53

-- 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-do 50000 B

Price: 50,000yen