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4-piece whetstone set / Large whetstone + 3 artificial nagura stones (Showa era, practical use)
Product Details
This is a set of 4 whetstones from the Showa period, sold as a bundle.
The set is designed for practical use, allowing you to perform a full sharpening process.
- Large whetstone (approx. 20cm / 792g)
Equivalent to a medium grit whetstone (for edge setting and base preparation)
- 3 Nagura stones (Green, Brown-Black, Yellow)
Artificial Nagura (for creating slurry and aiding in finishing)
By wetting the Nagura stones and rubbing them on the whetstone surface, you can create a polishing slurry (mud) to adjust the sharpening feel and finish.
There are no markings, but all stones are in usable condition.
You can enjoy a different sharpening experience compared to modern stones, with the characteristic texture of Showa-era whetstones.
As these are used items, there are scratches, dirt, etc. Please check the photos for condition.
*The description was written by an acquaintance who has no knowledge of whetstones. Please purchase only if you are satisfied after making your own judgment.
Price negotiation is welcome.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.






