Kanetsune Shinobi

All info taken directly from Kanetsune's website.

KB-209 - 

SHINOBI means bearing spirit of NINJA　(man who engaged chiefly in espionage activities by art of NINJUTSU). The blade tang is covered in Same-gawa (stingray) and tightly wrapped with black cord, just same style as Japanese traditional sword. If you take this knife, you can feel NINJA spirit. 

●BLADE LENGTH : 4.92" (125mm)
●OVERALL LENGTH : 10.03" (255mm)
●BLADE STEEL : Blue Steel Damascus 15 Layers
●HRC : 61-62
●BLADE THICKNESS : 3.5mm
●HANDLE : Oak / Black cord wrapped / Stingray ("Tsukamaki" finished)
●WEIGHT : 160g (5.6oz.)
●SHEATH : Magnolia / Black Laquer finish