Name: White Light Chakra Sabre (白光チャクラ刀, Hakkō Chakura To)
Users: Sakumo Hatake, Kakashi Hatake
The White Light Chakra Sabre (manga page) was a tanto that originally belonged to Sakumo, but then he passed it on to his son, Kakashi. Kakashi used it to fight Kakkou, and the blade was destroyed. The tanto gave of a white streak of chakra when it was swung that was only present in a Hatake family line.