KAI Seki Magoroku Super Finishing Sharpening Stone with Storage Made in AP0333 #8000 Case, Japan,

Size: 240 x 95 x 50 mm Materials: Super-finishing whetstone: White alumina (#8000), Storage case = sharpening base and lid: ABS resin (heat resistant up to 80°C), Anti-slip: Thermoplastic elastomer (heat resistant up to 80°C) Weight: 683g Country of origin: Japan Accessories: Includes storage case