This is a koma (bridge) for Tsugaru-jamisen. I am selling these to clear out my inventory. There are two pieces with a width of 8.5, and one piece with a width of 7.4. The height is 2 bu 7 rin, and the length is 72 mm. The width of the string grooves is 11 mm between the 1st and 2nd strings, and approximately 10.5 mm between the 2nd and 3rd strings. Please note that the koma box is not included. Thank you.