Shohonyama Tomae Japanese Natural Whetstone — Tokkyūhin Special Grade (2,559g)
Approx. 205 × 85 × 58 mm
An authentic, extra-thick 30-Kiri size Tomae finishing stone from the prestigious Shohonyama mines in Kyoto, Japan.
This Tokkyūhin (Special Grade) specimen is a professional-grade masterpiece, carefully selected for its exceptionally clean, Suji-nashi (line-free) sharpening surface and outstanding hardness.
Characterized by its hard composition and strong abrasive performance, this stone delivers crisp tactile feedback, fast cutting response, and remarkable edge control. It excels at refining high-carbon steels, producing a razor-sharp and highly durable cutting edge.
The surface has been professionally lapped and is ready for immediate use.
Specifications & Features
Origin: Shohonyama (Kyoto, Japan)
Type: Tomae (Natural Finishing Stone)
Grade: Tokkyūhin (Special Grade)
(Suji-nashi / Line-Free Surface)
Format: 30-Kiri Extra-Thick Block
Dimensions: Approx. 205 × 85 × 58 mm
Weight: 2,559 g
Hardness: Hard
(High abrasion resistance and precision sharpening capability)
Condition: Unused
(Professionally lapped and ready for immediate use)
Protection: Sides and bottom sealed with Ishisan premium water-based protective lacquer
Performance & Application
• Fast cutting response with excellent edge refinement
• Crisp and highly responsive sharpening feedback
• Strong abrasive action for efficient steel removal
• Produces razor-sharp, durable cutting edges
• Excellent precision and control during finishing work
• Ideal for users who prefer harder finishing stones
Recommended For
Kitchen Knives
Fine-tuning and achieving exceptionally sharp edges on high-carbon steel knives and premium cutlery.
Carpentry Tools
Precision finishing for chisels (Nomi), plane blades (Kanna), and other woodworking tools.
Straight Razors
Final-stage honing and refinement for razors and delicate edge tools.
Collectors
A pristine, investment-grade 30-Kiri Tomae selected for both performance and rarity.
Collector's Note
Large Tokkyūhin-grade Tomae stones featuring a clean Suji-nashi surface and substantial thickness are increasingly difficult to acquire. Examples offering this level of purity, hardness, and practical usability are especially sought after by advanced sharpeners and collectors.
Its impressive 30-Kiri format, exceptional condition, and professional-grade performance make it a standout representative of Kyoto's finest natural finishing stones.
Authentic Shohonyama Tomae — Tokkyūhin Special Grade.
Rare Suji-nashi specimen with a flawless sharpening surface.
Massive 2,559 g 30-Kiri natural whetstone from Kyoto, Japan.
A premium collector-grade Japanese natural finishing stone offering exceptional precision and sharpening performance.
