Naniwa Mini Professional Whetstone #400 (Yamato)


  • Naniwa Mini Professional Whetstone #400 (Yamato)
  • Naniwa Mini Professional Whetstone #400 (Yamato)
  • Naniwa Mini Professional Whetstone #400 (Yamato)

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 A mini-version of the ever-popular Naniwa Professional stones. The Yamato line is perfect for all sharpeners/cooks as they are budget-friendly, lightweight, and compact. The best value for making amazing edges for years to come. It does work with our 1-2-3 Stone Holder/Ito Stone holder but if you wish to purchase the designated holder, click here.

We recommend using the Atoma Small Diamond Plate (with Handle) to flatten and maintain this line of mini stones.

A low grit stone is a must for knives that have not been sharpened for a long time, or have sustained an accident in a kitchen (chips & missing tips, for example). In addition, it is a great stone to have for single bevel knives as most single bevel blades will need a bevel setting that can take a while. It will remove necessary materials quickly without tiring the sharpener allowing you to move through the stone progression in a timely fashion. If you are an experienced sharpener that needs to sharpen many blades repeatedly, having the right low-grit stone can make all the differences. 

Recommended usage: This is a splash-and-go stone, meaning no soaking prior to usage necessary. It may need a couple of minutes of soaking right out of the box, however. It excels at removing both hard and soft steel fast, and leaves a very consistent finish, whilst offering amazing feedback. It requires more regular flattening than higher grit stones in the same line-up.  Regardless, it is one of our favourite low grits, and we recommend it to anyone looking to fix up an old blade or to seriously start a polishing project on a wide bevel blade (Takeda, Hinoura, Mazaki, single bevels etc).

Brand: Naniwa ナニワ研磨工業
Product Type: Whetstone
Grit: #400

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