Chisels, planes, kitchen knives, carving knives, finishing whetstones Natural whetstone, Asagi (light blue) color, finishing whetstone Length, Width, Thickness (maximum value) 210 x 79 x 35mm Total weight: Approximately 1455g Measurements are by an amateur, so there may be some errors. Please understand. Hardness (hard) This is a hard and dense whetstone. Fine-grained whetstone. I think it's good for final finishing. Sides are protected. Please check the images before purchasing. For search purposes: Suba (nest pattern) Nakayama Maruoyama Ohira Uchigumori-to (internal cloud whetstone) Uchigumori (internal cloud) Nagura (whetstone slurry stone) Okudo Karasu (crow) Asagi (light blue) Tomae Shobu (iris) Narutaki Ootsui Habutae (silk fabric)