The main Naniwa stone ranges include:
Naniwa Traditional Stones: These are single-grit, high-quality stones suitable for a wide range of knives and tools.
Naniwa Professional Stones: Known for their exceptional sharpening performance and durability, they come in a variety of grit combinations.
Naniwa Chosera Stones: Premium stones designed for professional use, offering excellent cutting speed and precision.
Naniwa Specialty Stones: These stones cater to specific sharpening needs, such as nagura flattening stones and specialty finishes.