Iru awọn studs afikọti mẹta wa, Gigun ẹni to gun jẹ 11.5mm, ọkan boṣewa jẹ 10.5mm, ati gigun kukuru jẹ 9.2mm.
L23/L24 Series, Ifiranṣẹ gigun fun conch ati lobe ti o nipọn.Stud No pẹlu L, iwọn stud 4mm rogodo.
S23/S24/S25/S26/S53/S54 Series,Ifiranṣẹ kukuru fun ọmọ pẹlu eso ijanilaya,Stud No with S,iwọn okunrinlada 2mm,3mm ati 4mm,4 awọn awọ,
L23/S23/S25/S53 ṣe ti Irin Alagbara Iṣẹ-abẹ 316F
L24/S24/S26/S54 ṣe ti 24K Gold Awo 316F.