This item is for measuring fish with a measureIt is a foldable board for accurate measurement.There is no memory in the product itself.Handmade one by one by Japanese craftsmen.Create a joint part by hand bending without using a general hinge.It will be a product that shows the craftsman's commitment and technical capabilities everywhere.Please purchase a major sticker separately.If you paste it, it will be just 45 cm in size.We recommend that you purchase at the same time.Made of stainless steel, which has excellent durability and is resistant to the growth of germs, it is a measure board for a lifetime.