Japanese Natural Whetstone Shohonyama 正本山合砥 1037g suita 天井巢板 Lv4.5 grit 8000+

A Premium Japanese Natural Whetstone for the Discerning Sharpener


Offered here is an exceptional Japanese Natural Whetstone from the prestigious Shohonyama (正本山) mine. This specific stone is a highly sought-after "Suita" (鯰) variety, renowned for its superior hardness, fine grit, and fast cutting action. Weighing a substantial 1037g, this is a significant piece for serious sharpening enthusiasts and collectors.


Classified as a "Tenjō Suita" (天井巢板), or "ceiling Suita," it represents the highest quality stratum from the Suita layer, known for its exceptional purity and performance. This stone is perfect for delivering an incredibly sharp and refined polished edge on fine Japanese knives, straight razors, and woodworking tools.


Key Specifications & Features:


· Origin & Type: Shohonyama (正本山) - Suita (鯰) - Tenjō Suita (天井巢板)

· Grit Level: 8000+ grit, providing an ultra-fine finish for a razor-sharp, mirror-like polish.

· Hardness Level: Lv. 4.5

Product Information