This is a grappling hook, one of the six essential tools for ninjas, also known as "shinobi no rokugu." It was used by ninjas to traverse difficult terrains such as stone walls, walls, and cliffs. It is also said to have been used as a weapon in combat, swung to strike opponents, or used for binding and strangulation. The ninja tools in front of you are truly awe-inspiring. Everyone has dreamed of being a ninja at least once, so why not take this opportunity to get your hands on one?! -Size: Large: Width: approx. 9.3cm, Height: approx. 14cm Small: Width: approx. 9.5cm, Height: approx. 18cm -Weight: Large: 446g, Small: 469g