The 1x4" Suehiro Gokumyo 20K measures 1" x4" x 5mm in size and mounted on a blank. They are used with water only and work best when soaked in water for a minute or two before use. Store in a dry place in between use.
Ideal place in a sharpening progression:
This stone plays well with others:
The Suehiro Gokumyo 20K sharpening stone is a premium sharpening stone that works on almost all types of knives, scissors, tools and chisels, including those made with abrasion resistant steels. On tradional carbon and stainless steels, the 20K will polish the edge to a high mirror finish. On more abrasion resistant steels, the 20K is better as a finishing and polishing grit. It will reveal lower grit scratches that have not yet been worked out. It can also be used in a mix and match progression of other synthetic and natural sharpening stones, as well with other brands such as Chosera, Shapton, Sigma, Imanishi, Spyderco, etc. The Suehiros are waterstones, and are not to be used with oil, but can be used in conjunction with oil stones (such as Norton India and other carborundum and Arkansas stones) if the blade is wiped clean before and after switching stone types.
Comparable stones by grit: