This is a tan-zaku (thin rectangular strips) cooking tool with a wooden handle made of Magnolia obovata, used for cutting daikon radish and carrots into tan-zaku. The blade is stainless steel. It's often used for ingredients in miso soup, etc. The blade width is approximately 3 x 13 mm. Please try this tool for tan-zaku cutting, which can be difficult with a knife. A guide on the side allows for smooth slicing. Size: Width 27.2 x Depth 8.5 x Height 1.4 cm