Collection: Standard Seal Carving Knife

An Essential Knife for Carving Seal Stones

In seal engraving (tenkoku), a knife for carving the seal stone is indispensable.
This is the seal knife (intō), also known as the iron pen.

Just as the brush is essential in calligraphy, the seal knife plays a crucial role in seal engraving.

We offer a selection of seal knives suitable for beginners to advanced users, all designed for safe and confident use.
If you are new or inexperienced, we recommend starting with the “Shoyu Seal Knife.”