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The Naniwa Professional 400 Grit Ceramic Stone is the coarsest stone in the Professional series. This stone is designed to cut very quickly and to remove a lot of steel. Although ceramic stones are by nature less aggressive than traditional or oil stones this stone does move a sustantial amount of steel. We recommend this stone for re-profiling, reshaping and thinning blades, removing chips, repairing tips and other heavy work that requires quick cutting. The 400 grit can also be used as an initial stone for confident sharpeners who want to speed up their work, but we don't recommend using this as your go-to primary stone. This will leave a fairly rough edge that needs to be followed by a smoother stone. We'd recommend moving from this stone to a 1000 grit before you finish on a high-grit polishing stone.  Learn More

Naniwa Professional Stones (formally known as Chosera) utilize Magnesia in their bonding agent; giving these stones a longer life and faster sharpening capabilities. These stones are ceramic and do not require soaking. Splash and go. Learn More

The Apex of Sharpening: Naniwa 1000 Professional Stone For the craftsman who understands that the edge is everything, there is the Naniwa 1000 Professional Stone. This is not merely a tool for sharpening; it is the heart of a precision sharpening system, revered globally by master chefs, woodworkers, and knife enthusiasts for delivering an unparalleled sharpening experience. At the 1000-grit level, it is the quintessential workhorse—aggressively re-establishing a flawless primary bevel on a dull blade while leaving a refined, toothy edge ready for the most demanding cuts. The soul of this stone lies in its advanced magnesia-bonding process. This proprietary method creates a supremely dense yet friable surface, packed with a higher concentration of premium abrasive. The result is a sharpening sensation that must be felt to be believed: a swift, almost effortless cutting action with a smooth, velvety feedback that communicates the state of the edge directly to your hands. As you work, it generates a rich, uniform slurry that aids in polishing the steel, creating the beautiful, hazy kasumi finish prized on high-end Japanese cutlery. This is more than a purchase; it's an investment in the art of sharpening. Choose the Naniwa Professional when you seek not just a sharp knife, but mastery over the edge itself. Learn More

Promotes maximum cutting for all grit sizes of whetstones. Learn More

Designed to remove rust from carbon steel knives and tools. Knife Merchant Tip: Rust erasers are generally used dry, but for heavily rusted knives, adding a couple drops of tsubaki or mineral oil speeds up your work and creates a smoother finish Learn More

This small hand-held stone is used for cleaning metal fragments, creating slurry and flattening small flaws. Learn More

The Naniwa Natural Leather Strop is a great addition to any kitchen. This strop features a smooth natural leather surface on top and rubber foam non-stick bottom.
- Dimensions: 8.25 in x 2.75 in. (210mm x 70mm). Made in Japan. Learn More