Natural yellow whetstone. 【Size】 22 x 6.3 x 6 cm (at the highest point) 【Weight】 1869g 【Type of Stone】 Unknown This was used at my parents' house. The type of stone, period of use, purchase date, etc. are unknown. It is a natural whetstone. 【Condition】 There are signs of use, discoloration, chipping on the edges and corners, and cracks due to aging. As it is used, there are areas where the surface has been worn down. The used surface is curved. Measurements and inspections are done by an amateur. Please check the images. It is not new. Please understand that it is a used item and purchase accordingly.