Total length of the knife: 31 cm. Length of the blade: 17.7 cm. Blade made of Bohler N690Co steel. Hardness 59-61 HRC. Drop Point type blade. Finish: Black Powder Coating. Full Tang construction. Handle in G10 Black. Kydex Black sheath for belt. In Greek mythology, Styx is the deity and river that forms the border between the Earth and the underworld. The Stygian model is a versatile knife that combines survival and tactical knife: designed to take you through hell and back! Stygian's performance is optimal in any situation, whether you're in the field or looking for a big, scary tactical knife, Stygian is a great value!