Can be used on both sides! This is a compact whetstone that is easy to use! It can sharpen kitchen knives, scissors, knives, sickles, etc. Economical as both sides can be used. Recommended for women too! [Double-sided Whetstone] ・ "Back" #240 ・ "Front" #120 Size (approx.): 5cm wide, 14.7cm long, 2.4cm thick *Although this product is new, please understand that due to the nature of the product, there may be slight chipping or scratches on the corners during the manufacturing process or storage. Gyuto knives, Yanagiba knives, single-edged knives, Deba knives