FUKAMI - Pro Power. Perfectly Compact for Home Use

Ceramic whetstone set for coarse & fine (#300 / #3000) with Nagura

ALTSTONE FUKAMI whetstone set includes a #300 coarse grit and a #3000 finishing stone. These Japanese-made ceramic sharpening stones offer professional-level sharpening at home with Splash & Go convenience.

[Features]

• High Grinding Power: WA abrasives deliver consistent sharpening performance with dense ceramic construction.
• Versatile Application: Effective for both stainless and high-hardness steel kitchen knives.
• Non-Slip Mat Included: Ensures safe and stable sharpening without a whetstone stand.
• Thorough Inspection: Each item is quality-checked by both manufacturer and seller before shipping.

[Specifications]

FUKAMI300 – Coarse Sharpening Stone

• Grit: #300 (coarse)
• Stone Size: 180 × 60 × 20 mm (7.1" × 2.4" × 0.8")
• Nagura: 60 × 25 × 20 mm (2.4" × 1.1" × 0.8")
• Weight: 430g (Main) / 70g (Nagura)
• Type: Splash & Go (No soaking required)
• Material: Vitrified ceramic

FUKAMI3000 – Finishing Sharpening Stone

• Grit: #3000 (fine finishing)
• Stone Size: 180 × 60 × 20 mm (7.1" × 2.4" × 0.8")
• Nagura: 60 × 25 × 20 mm (2.4" × 1.1" × 0.8")
• Weight: 430g (Main) / 70g (Nagura)
• Type: Splash & Go (No soaking required)
• Material: Vitrified ceramic

Planned by ALTWAYS.LLC and proudly manufactured in Japan.

ALTSTONE: Precision-engineered in Japan

In Japan, sharpening blades has never been just the work of professionals. For many years, people have used whetstones at home to keep their kitchen knives sharp—it’s a tradition deeply rooted in daily life.

This culture has shaped the evolution of Japanese whetstones. Brands like Shapton, King, Naniwa, and Suehiro have each developed their own technologies and philosophies, refining bonding methods, abrasive design, and sharpening feel.

Japanese sharpening stones continue to set a high standard globally in materials, structure, and craftsmanship.

ALTSTONE offers products that reflect the refinement and subtlety of Japan’s sharpening culture. For example, our FUKAMI series is designed to handle a wide variety of blades—from stainless steel kitchen knives and carbon steel blades to curved and utility knives.

By carefully selecting specifications such as hardness and surface texture, we aim to ensure a smooth and satisfying sharpening experience. Whether you’re just starting out or already familiar with sharpening, we focus on offering stones that are easy to use—yet precise enough that you can clearly feel the difference in sharpness after each session.

Sharpening may not be flashy. But there’s something quietly special about the meal you prepare with a freshly sharpened blade. We hope that an ALTSTONE whetstone can be part of that small but meaningful change in your everyday cooking.

How to Sharpen a Knife with ALTSTONE

▶ Watch our sharpening tutorial on YouTube:
https://www.youtube.com/watch?v=v7rpC0RKRgI&t=12s