This item was received from an acquaintance. I don't know the details, but I've listed what I do know. Due to long-term storage, there is some rust on the blade. There are stains and red discoloration on the handle (see photos 5 and 9). *Please understand that returns and exchanges are not accepted before purchasing. This is a kitchen knife that is easy to use at home. ■Product Name: Nakiri Knife ■Blade Length: 165mm ■Material: Stainless Steel ■Blade: Double-edged (right-handed, left-handed) ■Handle: Octagonal handle ■Accessories: Comes with a box *Important Notes ・After using the knife, remove any dirt and thoroughly wipe off any moisture. Leaving moisture or dirt on the knife can cause rust. ・Do not use in a dishwasher or dish dryer. ・Do not use on frozen foods, corn, pumpkin, dried mochi, or hard ingredients such as bones or shells, as this may cause chipping, breaking, or damage to the blade. Thank you for viewing.