Naniwa Diamond Pro Stone, 400 grit Wusthof Classic and other smaller

and other smaller

Here's what Wusthof says:

An excellent choice as your main go-to knife for home or professional use

use the hone regularly and you'll keep the edge in good shape for a long time before you need to think about doing any serious re-sharpening or real grinding and refinishing of the edge

Naniwa Diamond Pro Stone, 400 grit Wusthof Classic and other smallerNaniwa Diamond Pro 400 Grit Japanese Sharpening Stone These stones feature a 1mm thick resin bound diamond matrix layer bonded to a metal plate. Over dimensions: 210mm x 75mm x 16mm. Like most diamond stones, these cut fast and wear slowly, but since the layer of diamonds is bound in a matrix and not just deposited in a thin layer on the surface as with Atoma and DMT plates, they should last longer since as you use them they will shed worn surface