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Hitohira Picked Karasu Natural Stone Koppa (No.0075)

Hitohira Picked Karasu Natural Stone Koppa (No.0075)

Very strong "KARASU" pattern. It's hard and fine, so it requires ingenuity.

Detailed Spec

Brand: Hitohira ひとひら
Product Type: Natural Stone
Size: Koppa
Producing Area: Kyoto/ Japan
Mine: Ozuku
Color: Karasu
Recommended Usage: Kitchen Knife (Edge), Straight Razor, Chisel, Plane
Hardness (5 = Very Hard): 4.3
Grain Scale (5 = Very Fine): 4.4
Sharpening Speed (5 = Very Fast): 3.1
Soaking Requirement: Not required
Size: 198 x 80 x 28mm
Weight: 823g
Revied by Naoki Tsuda
Update: November 19, 2025

$115.15

Original: $329.00

-65%
Hitohira Picked Karasu Natural Stone Koppa (No.0075)—

$329.00

$115.15

Product Information

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Description

Very strong "KARASU" pattern. It's hard and fine, so it requires ingenuity.

Detailed Spec

Brand: Hitohira ひとひら
Product Type: Natural Stone
Size: Koppa
Producing Area: Kyoto/ Japan
Mine: Ozuku
Color: Karasu
Recommended Usage: Kitchen Knife (Edge), Straight Razor, Chisel, Plane
Hardness (5 = Very Hard): 4.3
Grain Scale (5 = Very Fine): 4.4
Sharpening Speed (5 = Very Fast): 3.1
Soaking Requirement: Not required
Size: 198 x 80 x 28mm
Weight: 823g
Revied by Naoki Tsuda
Update: November 19, 2025