Kai Corporation Seki Magoroku Finishing Sharpening Stone, Knife Sharpener, 4000 Grit, with Storage

Size: 240 x 95 x 50 mm Material: Finishing stone: White alumina (#4000), 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: 696g Country of origin: Japan Accessories: Storage case included