Phone: 510.409.0217
Tue–Sat: 9AM – 5PM PST
Superior Japanese Hand Tools for Woodworking, Kitchen, Gardening and Grooming

Business Hours: Tuesday - Saturday  9 a.m. - 5 p.m. (PST)

We are sorry we will be away again from Thurdsay Jun 1st through Jun 5th. We will reopen on Tuesday Jun 6th. Thank you for your patronage.


3000 grits
205mm (8-1/8") x 75mm (3") x 25mm (1")
Available Options


Soak the stone for about 20 minutes, or until the stone stops producing bubbles. And splash water on the stone as needed.

*Ceramic/High pressure cast and 1300 degree celcius treated

**Outlet: These stones have a few hair cracks, but it is just cosmetic and they don't cause major damages, like falling apart.

It is a medium fine stone after using a medium grit (#1000, #1200 or #1500)

It is a popular stone amoung planing competiters in Kezurou-kai Japan.


  • February 14, 2019 by Scott Nehring
    If we're going to agree your 4000 grit stone is 4000, then the 3000 is as I've said definitely around 2500. It will keep turning a burr if you stay on the stone. The 4000 will not. When freshly dressed it cut's like 2000-2500 but it's not very friable, meaning new particles don't keep coming up and the slurry on the stone just keeps getting finer and finer. After about 10min on the stone I woul... read more