🇺🇸 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

Unbranded

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. Import duties, taxes, or carrier fees may apply depending on your destination country unless shown as prepaid at checkout.

Details

Brand
Unbranded
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