Slipstone Ardennes Belgian Blue

The Ardennes Coticule Blue Slipstone is a premium natural sharpening tool, handcrafted in Belgium. Made from genuine Belgian Blue stone, it features a fine #4000 grit that delivers controlled abrasion, ideal for refining edges on gouges, chisels, carving tools, and other blades with curved or concave profiles. Slipstones are specially shaped to reach areas where flat stones cannot, making them perfect for precision sharpening in woodworking, carving, and knife maintenance. Key Features • Handmade in Belgium — traditional craftsmanship ensures consistent quality and performance • #4000 grit — fine and balanced abrasiveness for polished, razor-ready edges • Special profile — ideal for curved blades, gouges, and carving tools • Durable and reliable — maintains geometry while providing smooth edge refinement Available Sizes • 100 × 40 × 6/2 mm — slim design, perfect for delicate tools and detailed sharpening • 100 × 40 × 10/3 mm — medium thickness, versatile for most carving and woodworking tools