Keep your Japanese knives razor-sharp with the Kasumi Multiple Sharpener.
Expertly crafted in Seki, Japan by Sumikama Cutlery, renowned for precision and innovation, Sumikama produces Kasumi knives using the most advanced materials and techniques, ensuring superior performance for professional and home chefs.
Designed specifically for Kasumi knives, this versatile sharpener is also suitable for any slim Japanese-style blades. Its integrated whetstone and pull-through system provides a complete sharpening solution. The medium 1000-grit whetstone refines and hones the edge, while the coarse and medium sharpening wheels offer a quick and efficient sharpening experience.
Features:
- Dual sharpening system. Combines a whetstone and pull-through sharpener for precise edge maintenance.
- Medium 1000-grit whetstone is ideal for refining and honing your blade.
- Coarse and medium sharpening wheels
- Compatible with all Japanese knives (Designed for Kasumi knives but suitable for other slim Japanese-style blades)
- Made in Japan
For best results, always follow the sharpening instructions provided on the packaging. Keep your knives performing at their best with the Kasumi Multiple Sharpener – the essential tool for maintaining a razor-sharp edge.
Preparation:
Before sharpening, open the sharpener’s cover and pour water onto the sharpening wheels. This lubrication ensures smoother sharpening and protects both the sharpener and your knife blades. ​
Sharpening Process:
- For Metal Knives: Use the ceramic wheel sharpener with a #320 grit, ideal for stainless steel blades sharpened on both sides.
- For Ceramic and Harder Steel Knives: Opt for the diamond wheel sharpener with a #1000 grit, suitable for harder steel and ceramic blades sharpened on one side only
- Technique: Firmly grip the sharpener and gently move the knife blade back and forth through the appropriate slot, maintaining consistent pressure.
- Finishing: After sharpening, use the integrated water stone, featuring a #1000 grit surface, to refine and polish the blade edge for a smooth finish. ​
Cleaning and Maintenance:
- Post-Sharpening: Open the cover and rinse the interior components thoroughly with water to remove any residual debris. Ensure all parts are completely dry before reassembling or storing the sharpener. ​
Additional Tips:
- Store the sharpener in a dry environment to prevent moisture-related damage.​
- While designed for Kasumi knives, this sharpener is also suitable for other slim Japanese-style blades. However, it is not recommended for specialist items such as Sashimi knives, which are sharpened on one side only, nor for some broader-bladed European-style knives.
By following these guidelines, you can maintain the effectiveness of your Kasumi Multiple Sharpener and ensure your knives remain in optimal cutting condition.
Kasumi Knives are a masterpiece of Japanese craftsmanship, handcrafted in Seki City, Japan—the heart of Japanese blade-making for over 800 years. Established by the Sumikama family, a 27th-generation lineage of expert knife makers, Kasumi embodies tradition, innovation, and precision.
Each Kasumi knife is meticulously forged using high-carbon stainless steel, including the renowned VG-10 steel core, ensuring exceptional sharpness and durability. The brand is best known for its stunning Damascus-patterned blades, crafted with 32 layers of folded steel, delivering both strength and elegance.
Kasumi’s secret tempering and sharpening techniques create knives that are considered some of the sharpest straight out of the box. Designed for professional chefs and home cooks alike, Kasumi knives combine traditional Japanese artistry with modern technology to deliver a superior cutting experience.
With a legacy rooted in Japanese sword-making excellence, Kasumi Knives continue to uphold the highest standards of quality, performance, and craftsmanship.
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