This is a Kanekomahigonomori "Tokudai" (Extra Large). The sheath is made of thick brass. The blade material is warikomi (laminated), and the blade has the marking "Aogami Warikomi" (Blue Paper Steel Lamination). The kiridashi (blade tip) is rounded for easy pressing. It looks like a durable and sharp all-purpose folding knife. * The inscription on the handle (sheath) reads "Higonokami Sadakane-Koma," a registered trademark. * The shinogi (ridge) has the stamp "Aogami Warikomi" (see image). * 【Dimensions】Total length 212mm, sheath length 120mm, blade length 92mm, blade width 16mm, blade thickness 2.9mm, weight 69g. All measurements are approximate. * 【Blade Material】 Yasugi Steel Aogami Warikomi (Blue Paper Steel Lamination). The V-shaped double-edged blade can be used by either right- or left-handed users. * 【Handle Material】 Brass Type...Blades/Knives Details...Outdoor Knife