This is a koma (bridge) for Tsugaru-jamisen. I am selling it to clear out my inventory. The length is 72mm, the widths are 8.6mm and 7.7mm, and the heights are 2 bu 7 rin and 2 bu 8 rin. The width of the string path is approximately 11mm. Please note that the box for the koma is not included. Thank you.