Naniwa S2 Super Stone – JIS Grit 400 (210 x 70 x 20 mm)
The Naniwa S2 Super Stone (JIS 400 grit) is a high-quality Japanese water stone, ideal for basic re-sharpening tasks. Designed for effective material removal, this rough stone is perfect for restoring dull or damaged edges before progressing to finer grits.
Part of Naniwa’s renowned Super Stone series, this stone offers excellent sharpening performance with the added benefit of long-lasting flatness. Made in Osaka, Japan, it features a white aluminium oxide (corundum) abrasive, delivering consistent results even on hard carbon steels.
With a thickness of 20 mm, denoted by the S2 marking, this stone provides a comfortable working height and prolonged usability. While the packaging and series naming have evolved over time, the superior quality of the stone remains unchanged.
Key Features:
- Grit: 400 – suitable for basic re-sharpening and edge restoration
- Size: 210 x 70 x 20 mm
- Abrasive: White aluminium oxide (corundum)
- Japanese water stone – requires soaking for at least 10 minutes before use
- Do not store submerged
- Made in Naniwa’s factory in Osaka, Japan
- Part of the S2 Super Stone series – trusted worldwide for professional sharpening
Perfect for those seeking reliable, traditional Japanese sharpening performance with modern durability.
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