These are tuning pegs for a shamisen. Made of genuine ebony and bamboo joint. The heads are made of high-quality natural materials. These are very rare tuning pegs that you've never seen before. You can only use these if the tuning pegs offered here are thicker than the ones you are currently using. If the offered tuning pegs are thinner, they cannot be used, so please be careful about the size. Returns are not accepted if the size does not fit. Length: 130 mm Diameter of the part where the metal fitting touches: Approximately 8.3 mm Diameter of the tip: Approximately 6.8 mm Please note that the size measurements are approximate due to amateur measurement, so there may be some discrepancies.