Nano Hone #400 Whetstone and Universal backing plate – this is a lovely coarse stone for fast removal of metal, suitable for repairing small chips in blades or putting a first edge on a blunt blade.

Nano Hone have incredibly precise production techniques, as indicated by their slogan "Our world is flat", and their whetstones and sharpening system is absolutely top notch

Ideally use with the Nano Hone Stone Stage NH10, although with the aluminium backing plate, it can also be slotted into an Ito stone holder.