Takeda Banno Funayuki AS measures 160mm or about 7" on the blade. Master Blacksmith Shosui Takeda is a third-generation master blacksmith. Shosui Takeda was born and raised in Niimi, Okayama in Japan. After Shosui graduated from a university and worked in Tokyo, he returned to his hometown, Niimi, to succeed to his father, as a blacksmith. Since 1985 he has strived and studied to produce the very best hand-forged blades and tools. These knives use Hitachi Aogami Super Steel and have rosewood octagonal handles. Spine thickness at the heel is aproxiamtely 2.5mm and it weighs about 4oz but each one varies a little since they're hand made.