Uchigumori 20000 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.


There is a missing part on the bottom.


But the quality is very good. Very soft stone. Hato Habiki


We recommend you to put and stick it on a wooden board.

Please pick up brown rust line or inclusion before using.



Dimensions 16.5 x 6 x 5.5 cm
Weight 1200 g



-- Recommended stones for surface Omote-zuri

Tsushima-do For Omote-zuri https://www.namikawa-ltd.com/product/53
Binsui-do for Omote-zuri https://www.namikawa-ltd.com/product/54


-- 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


-- Recommended Polishing Tools --

Togioke (Bucket) https://www.namikawa-ltd.com/product/88
Fumaegi https://www.namikawa-ltd.com/product/92
Todai https://www.namikawa-ltd.co.jp/product/90
Todai Makura https://www.namikawa-ltd.com/product/93
Tsumagi https://www.namikawa-ltd.com/product/94