Morihei Hishiboshi 4000 Grit Whetstone

The Morihei Hishiboshi 4000 Grit Whetstone is a refined finishing stone designed for polishing edges, enhancing cutting feel, and bringing kitchen knives to a highly sharp, smooth-working finish.

Made in Japan, this stone is part of Morihei’s respected Hishiboshi range, known for its excellent tactile feedback, natural stone-like feel, and long-lasting performance. The 4000 grit offers a balanced finishing stage that refines the edge without becoming overly polished, making it especially well suited to kitchen knives intended for practical daily use.

After establishing the edge on lower grit stones, the 4000 grit refines and smooths the bevel, improving cutting performance, edge consistency, and overall sharpness. It produces a clean, refined edge with excellent bite and control, particularly suited to Japanese kitchen knives and high-performance steels.

The Hishiboshi series is valued for its controlled feel and smooth sharpening experience, allowing sharpeners to clearly feel the interaction between blade and stone throughout the finishing process. Unlike many traditional soaking stones, it requires little to no soaking and maintains stable performance over extended use.

Measuring 210 x 75 x 26mm, the stone provides a generous sharpening surface and substantial thickness for durability, stability, and comfortable long-term use.

An excellent finishing stone for cooks and sharpeners looking to elevate edge refinement while maintaining practical cutting performance in the kitchen.

Specifications

• Grit: 4000
• Size: 210 x 75 x 26mm
• Made in Japan
• Synthetic whetstone
• Splash-and-go style performance