Kamahiru-kugi (Hirukugi) - Sen-sashi (for a large room, 8 tatami mats or more) - 6 bu - Tekka-uchi - Tetsusho Saku This is a nail used to hang a kama (tea kettle) from the ceiling with a chain. ○ Nakagawa Joeki copy Size: Total length 130mm (insertion 78mm~) Made by: Tetsusho Kurokawa This item was purchased new and opened, but it is unused.