The TOG Belgian Blue Whetstone is one of the finest natural finishing stones available for kitchen knife sharpening. Handcrafted from a rare sedimentary stone found only in Belgium, it offers a unique combination of sharpening and polishing capabilities that cannot be replicated by synthetic stones.
When used with slurry, the stone functions as a fine sharpening stone, producing an edge equivalent to approximately #4000 grit. Once the slurry is removed, the stone acts as a natural strop, refining the edge to an estimated #12000 grit finish capable of producing exceptional sharpness.
Ideal for finishing Japanese kitchen knives, the Belgian Blue creates a highly refined cutting edge whilst maintaining excellent durability and cutting performance.
Natural Belgian Stone
Belgian Blue whetstones are produced from a unique 480-million-year-old sedimentary rock found exclusively in the Ardennes region of Belgium.
Rich in garnet crystals, these stones have been used for sharpening since the 17th century and remain highly regarded for their ability to create exceptionally refined edges.
Two Stones in One
The Belgian Blue offers two sharpening stages within a single stone:
- With slurry: Approx. #4000 grit sharpening
- Without slurry: Approx. #12000 grit polishing and stropping
This versatility makes it an outstanding finishing stone for chefs and knife enthusiasts seeking ultimate sharpness.
Design Details
Unlike traditional soaking stones, the Belgian Blue requires only a splash of water before use. The included slurry stone creates a garnet-rich paste that accelerates sharpening and refines the edge quickly and efficiently.
When used without slurry and with lighter pressure, the stone acts as a natural strop, polishing the cutting edge to an exceptional finish suitable for precision slicing and delicate food preparation.
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