Bring your blades to a flawless, mirror-polished edge with the Naniwa For Professional #8000 Japanese Sharpening Stone. Designed for discerning chefs and passionate home cooks, this high-grit whetstone delivers the ultimate finishing touch—restoring razor-sharp precision with effortless smoothness. Handcrafted in Japan, it reflects centuries of sharpening tradition, balancing control and refinement in every stroke.

Key Benefits

Professional-Grade Performance – Achieve a mirror-finish polish ideal for fine kitchen knives and precision blades.
Superior Edge Retention – Refines and aligns the edge for long-lasting sharpness.
User-Friendly Design – Includes a stable base for safe, comfortable sharpening.
Minimal Water Use – Simply wet the surface—no soaking required.
Trusted Japanese Craftsmanship – Made by Naniwa, one of Japan’s most respected stone makers.

Product Description

The Naniwa Professional #8000 Toishi represents the pinnacle of Japanese whetstone craftsmanship. This ultra-fine finishing stone is designed for the final stage of sharpening—where the edge transforms from sharp to sublime. Its precise composition creates a smooth surface that removes micro-burrs and polishes the blade to a mirror-like finish, providing consistent feedback and effortless control.

Unlike traditional soaking stones, this Naniwa #8000 requires only a light splash of water before use, preventing oversaturation and maintaining its long-term stability and flatness. Perfect for maintaining Japanese knives, this stone allows users to honor their tools with care and precision.

Technical Specifications

Grit: #8000 (Fine finishing stone)
Weight: 753 g
Dimensions: 210 mm (L) × 70 mm (W) × 20 mm (H)
Type: Japanese whetstone / Toishi
Base: Included (non-slip)
Usage: Splash water only; do not soak

Trust in Naniwa Craftsmanship

For decades, Naniwa has been a symbol of precision and quality in Japanese sharpening. Their stones are trusted by professional chefs and knife artisans worldwide. Each piece reflects Japan’s commitment to excellence, ensuring lasting performance and exceptional results.

Explore more in our Sharpening Stone Collection.

Care & Maintenance

Do not soak in water; apply only a light layer of water before sharpening.
Wash and dry thoroughly after use.
Avoid cutting bones or frozen foods with sharpened knives to prevent chipping.
Store in a cool, dry place away from direct sunlight.
Hand wash only; no dishwashers.

Experience the Edge of Perfection

Refine your knife’s edge to its true potential with the Naniwa Professional #8000 Japanese Sharpening Stone—crafted for those who take pride in precision.

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