🇺🇸 US duties prepaid — no customs surprises at delivery✈️ Tracked Japan Post shipping to 40+ countries📦 Hand-packed in Tokyo · ships in 3-5 business days
🇺🇸 US duties prepaid — no customs surprises at delivery
Kai Seki Magoroku Rough Whetstone #400

Whetstone

KAI

Kai Seki Magoroku Rough Whetstone #400

4.5
$70.14

USD · All duties prepaid by Tokyo Carry

Ships from Tokyo in 3-5 business days · ~56g packaged Hand-packed by our Tokyo team 100% authenticity guaranteed 30-day returns on damaged or wrong items — see policy

Highlights

  • Green silicon carbide #400 grit for medium-aggressive sharpening and chip removal
  • Storage case and stand included; stable, safe setup
  • Japanese-made in Seki; suited for Japanese steel, stainless, and Western alloys

About this craft

Seki's 700-year knife-making heritage. Water-stone sharpening is core to Japanese blade maintenance tradition.

Description

Mid-grit Japanese sharpening stone with storage case

Soak in water 5–10 minutes before use. Sharpen at 15–20° angle using figure-eight or circular strokes. Flatten stone periodically with dedicated flattening stone. Store dry in included case.

Shipping & Import

Ships from Tokyo with tracking. US orders: import duties are prepaid by Tokyo Carry and included in the price. Other countries: duties or taxes may be collected on delivery.

Details

Brand
KAI
Material
Type Green color silicon carbide (#400), A
Dimensions
9.5 × 9.5 × 5 cm
Color
green
Grit Type
Rough, rough whetstone
Item Length
240 Millimeters
Material Type
Green color silicon carbide (#400), ABS resin (heat-resistant temperature 80°C), thermoplastic elastomer (heat-resistant temperature 80°C)
Included Components
Whetstone body, storage case
Item Dimensions L x W x H
9.5L x 9.5W x 5H cm
Weight
56 g