Shohonyama Damascus Mizu Asagi Japanese Natural Whetstone — 30-Kiri Extra-Thick (2,780g)
Approx. 212 × 85 × 60 mm
An authentic, extra-thick 30-Kiri size Mizu Asagi finishing stone from the legendary Shohonyama mines in Kyoto, Japan.
The sharpening surface displays striking, distinct Damascus-style patterns flowing across a beautiful Mizu Asagi base, creating a unique appearance rarely found in natural whetstones.
This high-grade stone is hard, exceptionally fine-grained, and remarkably clean. It bites firmly into steel, providing powerful sharpening response while producing an exceptionally refined, razor-sharp edge.
With no harmful suji (lines) or cracks, it offers both top-tier functional performance and outstanding visual appeal.
Specifications & Features
Origin: Shohonyama (Kyoto, Japan)
Type: Damascus-Pattern Mizu Asagi
Format: 30-Kiri Extra-Thick Block
Dimensions: Approx. 212 × 85 × 60 mm
Weight: 2,780 g
Hardness: Hard / Ultra-Fine Grain
(Excellent steel bite and finishing capability)
Condition: Unused
(Flawless, professionally lapped, and ready for immediate use)
Suji / Cracks: None
(Perfectly clean sharpening surface)
Protection: Sides and bottom sealed with Ishisan premium water-based protective lacquer
Performance & Application
• Strong cutting action with excellent steel engagement
• Produces an exceptionally sharp, highly refined edge
• Capable of achieving near mirror-like finishes on steel
• Ultra-fine abrasive structure for precision finishing
• Smooth, controlled sharpening feel
• Outstanding balance of performance and durability
Recommended For
Kitchen Knives
Achieving razor-sharp, highly polished edges on premium Japanese and Western knives.
Carpentry Tools
Precision finishing for chisels (Nomi), plane blades (Kanna), and other woodworking tools.
Straight Razors
Ultra-fine finishing and polishing for razors and delicate cutting instruments.
Collectors
A rare and visually striking specimen featuring unique Damascus-style natural patterning.
Collector's Note
Large Shohonyama Mizu Asagi stones with bold Damascus-like patterning, flawless surfaces, and substantial thickness are increasingly difficult to obtain. Examples combining exceptional performance with such dramatic natural aesthetics are especially scarce.
Its impressive dimensions, hard ultra-fine composition, and beautiful natural character make this a standout stone for both serious users and advanced collectors.
Authentic Shohonyama Damascus Mizu Asagi Natural Whetstone.
Rare 30-Kiri extra-thick specimen with striking natural Damascus patterning.
Massive 2,780 g finishing stone from Kyoto, Japan.
A premium collector-grade Japanese natural whetstone offering exceptional sharpening performance and visual beauty.
