Majin Japanese Ceramic #8000 Sharpening Whetstone

Majin’s Japanese-made #8000 grit stone represents the final level of refinement most knives will ever need. Designed for ultra-fine finishing, it pushes an already excellent edge into exceptional territory, enhancing smoothness, control, and cutting feel rather than raw aggression.

Built from ultra-dense, high-hardness ceramic, this stone offers outstanding flatness and consistency even with repeated use. With a proper soak and very light pressure, it refines the edge to a clean, high-clarity polish, reducing micro-toothiness while maintaining edge stability. The result is a blade that feels effortless, precise, and silky through food.

The #8000 grit performs beautifully on both stainless and carbon steels, including harder Japanese blades, and is especially effective as the final step after a #3000 or #5000 stone. Its wide, smooth-working surface provides excellent feedback, allowing slow, controlled passes for maximum refinement without over-polishing.

The included case doubles as a sturdy non-slip base, keeping the stone secure during use and making storage clean and simple once you’re done.

For most knives, this is the stopping point — refined, polished, and perfectly balanced for real-world cutting. The #8000 grit stone is ideal for enthusiasts who want the highest level of finish without crossing into unnecessary extremes.

Size: 230mm × 70mm × 15mm

IMPORTANT: This stone must be soaked in clean water for 15 minutes before use.

Need help? Check out our freshly updated sharpening tutorial — now with videos to get you started: Click Here!