Korala Performer Series   original replacement part, bone nut for tenor ukulele, 36x6,5x3,5mm, 6 pieces

Korala Performer Series   original replacement part, bone nut for baritone ukulele, 38x3,5mm, 6 pieces

Korala Performer Series   original replacement part, bone nut for bass ukulele, 45x3,5mm, 6 pieces