Sakai Sadamori Aideba Knife (Funayuki Style)This is a lighter version of the Deba knife, approximately 4mm thick, making it easy to maneuver during use.The blade is single-beveled and made from high-carbon steel, delivering excellent sharpness.It has been professionally sharpened and is ready to use upon arrival. Please handle with care when unpacking. The price includes the sharpening service.It features the engraving "堺貞守" (Sakai Sadamori), and the handle retains a sticker from Sakai cutlery.Length: 290mmBlade Length: 150mmBlade Width: 48mmBlade Thickness: 4mmWeight: 196gSHARPENED by a Japanese Sharpener. Razor sharp. The sharpener is in Kyoto, the traditional city in Japan as you know. You can use without maintenance. You don't need to pay maintenance costs after receiving. If any, please feel free to ask, English available.- SHIPPING NOTE from Japan・A PHONE NUMBER REQUIRED・I cannot ship to P.O. Box.・Some area of countries will be applied a remote area fee (25 USD or more, the most of US and West Europe is okay.)