This is world’s simplest yet highly versatile folding knife which has kept its traditional shape since the Meiji era (1868-1912). The blade is made of one of the hardest metals called Aogami (blue steel). Besides the standard model, we also have the hand-forged model and multi-layer steel model. You can also choose from the variety of sizes. The knife can be used for crafts, fishing, camping, and picnic. By sharpening the blade, it can be used for a long time.