





whetstone
KaiKai Whetstone #400, Coarse Grit
USD · All duties prepaid by Tokyo Carry
Highlights
- Green carborundum, #400 coarse grit for dull blade rehabilitation
- Clog-resistant abrasive, cuts quickly without glazing
- Compact 18 × 6 × 1.6 cm, same size as #1000 for storage consistency
About this craft
Kai (貝印) founded 1908 in Gifu, Japan's traditional cutlery center. Coarse-grit whetstones essential to Japanese knife maintenance (togishi). Carborundum stones widely used in professional and home kitchens across Japan.
Description
Coarse grit stone for dull blade sharpening and edge restoration
Soak in water 10–15 minutes before use. Use long strokes at 15–20° angle to work blade edge. Rinse immediately after sharpening. Air-dry fully. Store in cool, dry place. Flatten periodically on glass if surface becomes uneven.
Shipping & Import
Ships from Tokyo with tracking. Import duties, taxes, or carrier fees may apply depending on your destination country unless shown as prepaid at checkout.
Details
- Brand
- Kai
- Dimensions
- 18 × 6 × 1.6 cm
- Color
- green
- Material
- Carborundum
- Grit Type
- Coarse
- Model Number
- AP0317
- Material Type
- Carborundum
- Included Components
- Main unit
- Item Dimensions L x W x H
- 18L x 6W x 1.6H cm
- Weight
- 22 g









