Slipstone Ardennes Coticule Standard

The Ardennes Coticule Standard Slipstone is a natural sharpening stone handcrafted in Belgium, designed for maintaining tools and blades with curved, concave, or difficult-to-reach surfaces. Made from the renowned Yellow Coticule, this stone contains garnet crystals that provide fine, effective abrasion for producing razor-sharp edges.

Slipstones are especially useful for sharpening carving tools, gouges, knives with unusual profiles, and other precision instruments where flat stones cannot reach. Each piece is hand-cut, ensuring authentic quality and performance rooted in centuries of Belgian sharpening tradition.

Key Features

• Natural Yellow Coticule — quarried in the Ardennes, Belgium

• Handmade quality — every slipstone is individually cut and finished

• Garnet-rich abrasive — provides smooth yet effective sharpening action

• Special shape — ideal for curved blades, gouges, and carving tools

• Fine edge refinement — produces sharp, polished edges with minimal wear

Available Sizes

• 75 × <7 mm — thin profile, for the finest and most delicate tools

• 75 × 7–12 mm — medium thickness, versatile for general use

• 75 × >12 mm — thicker stone, for larger carving tools and heavy-duty applications