Shapton Glass Stone HR

Shapton GlassStone HR Series are premium Japanese ceramic waterstones designed for sharpening modern hard steels and high-alloy steels. Manufactured in Japan with the highest precision, they deliver fast metal removal, minimal wear, and consistent results. Advantages Fast cutting and long lifespan. 5 mm glass backing ensures perfect flatness and allows full use of the stone. Uniform abrasive (WA — White Aluminum Oxide) with particle size deviation no more than 0.01 micron. Splash & Go — no soaking required, simply wet with water. Optimal for hard steels, stainless steels, and carbon steels. Size & Construction Length — 8 1/4" (210 mm) Width — 2 3/4" (70 mm) Total thickness — 7/16" (10.5 mm) Abrasive layer thickness — 5 mm Abrasive — WA (White Aluminum Oxide) Weight — 360 g Packaging — cardboard box Available Grits : 120, 220, 320, 500, 1000, 2000, 3000, 4000, 6000, 8000, 10000 HR vs HC Series HR (High Resistance) — for hard steels, stainless steels, and high-alloy steels. HC (High Carbon) — for traditional carbon steels, Japanese tools, and straight razors. Usage Recommendations Use with water only, no soaking required. Use a stone holder — the glass base can slide on the surface. For flattening: Shapton Diamond Glass Lapping Plate (500–30000 grit) or DMT Dia-Flat for coarse grits. Shapton GlassStone HR Series — the choice of professionals and enthusiasts who value speed, precision, and a flawless finish.