Inyandiko ngufi kubana, ingofero,

Hariho ubwoko butatu bwo gutwi, Uburebure burebure ni 11.5mm, busanzwe ni 10.5mm, naho uburebure bugufi ni 9.2mm.
L23 / L24 Urukurikirane, Inyandiko ndende ya conch na lobe yuzuye. Kwiga Oya hamwe na L, ubunini bwa 4mm umupira.
S23 / S24 / S25 / S26 / S53 / S54 Urukurikirane, Inyandiko ngufi kubana bafite ingofero, Kwiga No hamwe na S, ubunini bwa sitidiyo 2mm, 3mm na 4mm, amabara 4,

L23 / S23 / S25 / S53 ikozwe muri Surgical Stainless Steel 316F

L24 / S24 / S26 / S54 bikozwe muri 24K Isahani ya Zahabu 316F.