This is a koma (bridge) for Tsugaru-jamisen. These are extra koma made during the production process, and I am selling them to clear out inventory. The height is 2 bu 6 rin and 2 bu 7 rin, the width is 8.5 mm and 7.4 mm, and the length is 72 mm. The thread path is approximately 11 mm. Please note that the koma box is not included. Thank you for your interest.