Bring a mirror shine to your edge — for ultimate sharpness and smooth cutting.”
The Shapton “Ha no Kuromaku” #8000 (Melon) is a high-finishing whetstone designed to polish and refine edges to a mirror-like smoothness.
Used after #5000, it produces a crisp, clean edge that glides effortlessly through any ingredient, with minimal cutting resistance.
The sharpening feel is silky and controlled, offering precise feedback ideal for professional chefs and sharpeners.
Thanks to Shapton’s magnesia bonding method, no soaking is required — simply splash with water and start polishing.

Features

• Creates a mirror-finished edge with superior sharpness

• Perfect as a final step after #5000

• Smooth, refined sharpening feel with delicate feedback

• Ideal for both stainless and carbon steel knives

• No soaking required — ready to use instantly

• Fresh melon color for easy grit identification

Specifications

• Grit: #8000 (finishing stone)

• Size: approx. 210 × 70 × 15 mm (stone only)

• Weight: approx. 679 g

• Accessories: Plastic storage case (can also be used as a sharpening base)

Best for
Final polishing, mirror finishing, and improving food separation for kitchen knives and fine-edged tools.