A natural Japanese sharpening stone from the Amakusa region, with a medium grit equivalent of roughly 800–1200 — a classic mid-stage stone for refining an edge before moving to a finishing stone.

• Type: Natural whetstone
• Grit: Approx. 800/1200 (medium)
• Use: Mid-stage sharpening before finishing
• Origin: Made in Japan

Use with water and let the stone dry completely before storing.