Honshu Silver Karambit w/Boot Sheath When you need an easily concealed defense weapon, this Honshu Karambit knife is exactly what you are looking for. It features an 4" 7cr13 stainless steel blade and an over-molded handle with an open hole pommel for an easy grip. Includes a genuine leather boot sheath with a clip. 4" blade, 8 3/4" overall length.