Hekinan Katana - 刈南刀Handcrafted Hekinan Katana ( "Azure South") with a blue gradient blade featuring white wave patterns in the style of Hokusai's Great Wave. 1060 carbon steel, full tang, sharpened. Iron tsuba with geometric openwork grid, brass habaki with spiral crest, sky blue cotton ito over white synthetic rayskin, navy gradient lacquered saya, blue sageo. Includes horn style bronze display stand. The ocean on steel every angle reveals a different shade of blue.