Faithfull FAIDWTURNING 250mm Curved Diamond WhetstoneThis uniquely shaped whetstone is specifically designed for sharpening wood turning tools and carving chisels. Its curved diamond surface allows for efficient sharpening of both concave and convex edges.Features Double-sided steel stone with mono crystalline diamond coating. Features 600G medium grit for sharpening blunt edges and 1200G fine grit for final honing. Can be used dry or with water; no oils are necessary.Specifications Brand: Faithfull MPN: FAIDWTURNING EAN: 5023969000145 Dimensions (L×W×H): 250×56×17 mm Small end radius: approx. 3mm (1/8in) Large end radius: 28mm (1.1/8in)