[w/ EN manual] ALTSTONE FUKAMI #300 Coarse Whetstone | Ceramic Sharpening Stone from JAPAN

FUKAMI - Pro Power. Perfectly Compact for Home Use

✅ Coarse to medium sharpening — smooth, efficient, and compact. Designed for serious results at home.

Ceramic whetstone set for coarse (#300)

The ALTSTONE FUKAMI #300 coarse grit whetstone. These Japanese-made ceramic sharpening stones offer efficient, splash-and-go sharpening performance for kitchen knives. Ideal for repair and daily edge maintenance in a compact, easy-to-use format.

[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.
- 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")
- Weight: 430g (Main)
- Material: Vitrified ceramic
- Type: Soaking (for about 10 minutes )


✅ALTSTONE: Crafted for Sharpening Excellence in Japan
In Japan, sharpening blades has never been just the work of professionals. For generations, people have used whetstones at home to maintain their kitchen knives — a tradition deeply woven into daily life.

This culture shaped the development of Japanese whetstones. Brands like Shapton, King, Naniwa, and Suehiro have each refined bonding methods, abrasive quality, and sharpening feel to meet different needs.

Japanese sharpening stones now set a high global standard for material quality, structure, and craftsmanship.

ALTSTONE honors this legacy with the FUKAMI series—designed for a wide range of blades from stainless steel to carbon steel, including curved and utility edges.

By controlling hardness and surface texture, we ensure a smooth, responsive sharpening experience. Whether you're just starting or already skilled, ALTSTONE stones help you achieve edges that cut cleaner and cook better.

How to Sharpen a Knife with ALTSTONE

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

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For Customers Outside Japan

[Shipping fee]
Shipping varies by region. Add to cart to see the details.

[Import duties,VAT]
Depending on your country’s regulations, you may be charged VAT, customs duties, or handling fees upon delivery.
Please note that the final cost may exceed the product price.

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For Thai Customers（สำหรับลูกค้าชาวไทย）

สินค้านี้รวมค่าจัดส่งแล้วยังคงอยู่ภายในเกณฑ์ปลอดภาษีของประเทศไทย (1,500 บาท) คุณจึงสามารถสั่งซื้อได้อย่างมั่นใจ อย่างไรก็ตาม การต้องเสียภาษีนำเข้าหรือไม่นั้นขึ้นอยู่กับการพิจารณาของศุลกากรไทย ดังนั้นทางร้านไม่สามารถรับประกันการปลอดภาษีได้

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How to Sharpen with ALTSTONE