Shapton Professional Kuromaku 220 Grit Sharpening Stone Sujihikis If you're not a regular

If you're not a regular user of your stones and only want them for occassional home use

This size and type of knife sits comfortably between a larger chef's knife and full-size slicer

Hardness is at least HRC 60

and spectacular good looks

and honestly much too long for home use unless you a REALLY sure you want a very long blade for some particular reason and you have the space to store and use it

Shapton Professional Kuromaku 220 Grit Sharpening Stone Sujihikis If you're not a regularShapton Kuromaku Professional Whetstone, 220 Grit, #K0706 210mm x 70mm, 15mm thick. These Kuromaku Professional series stones are very fast cutting and long lasting, offering nice sharpening feedback while still being very hard so they resist dishing nicely. Note that these are splash and go, so do not soak these stones. These stones come in a convenient plastic case that also doubles as a stone holder, though the affordable Naniwa universal