Aoto Tanto (T10 Steel) - 青刀Handcrafted Aoto Tanto ( "Blue Blade") in blue T10 tool steel a Japanese short sword with an electric blue finish and white storm streak pattern across the blade. Full tang, sharpened. Iron tsuba, brass habaki, black cotton ito over white synthetic rayskin, iron kashira and kojiri, solid wood saya, black sageo. Includes wooden display stand. This is our first tanto the short blade that samurai carried as companion to the katana, now in T10 steel with