Okinawa Sanshin (Okinawan three-stringed instrument) Ebony Karakuri (tuning pegs) Coral Color - Set of 3 Material: Ebony Set of 3 Holes for the strings are not pre-drilled. You will need to carve them to fit your sanshin, then determine the hole position and drill a hole of approximately 1mm. *The size of the karakuri holes varies for each sanshin, so it is important to carve them to fit the neck. If you provide the hole position of your current karakuri, we can also ship them with the holes pre-drilled. * * If you would like a set of 4, please inquire in the comment section. * * * * * * * * * * * * * * * * * We also offer maintenance for Okinawa sanshin, including carving and adjusting karakuri, and replacing the body skin. We plan to gradually list Okinawa sanshin and related items. Thank you.