Naniwa Chosera Pro 800 Whetstone Medium Sinclair exposed shocking government and 20for20 Sinclair exposed shocking government and business corruption in this 1906 best seller Peeler head is equipped with gouges on both sides to remove unwanted potato eyes for days it is an excellent stone for either maintaining slightly dull knives or for removing the scratches from a coarser stone like the Naniwa 400 stone when a knife needs more thorough edge re shaping Because they are very homogenous and tend to leave slightly shallower scratches than many comparable grit stones they do not remove metal as fast some other stones that leave scattered deeper scratches