Ama-vials aphezulu aphezulu nama-caps kulula ukuyisebenzisa futhi awadingi amathuluzi akhethekile. Umklamo wentambo oyingqayizivele uhlinzeka ngophawu oluvikelekile njalo, ukuvimbela ukuhwamuka. Ama-Screw Thread Vers atholakala ngo-8-425 (8mm), 9mm), 9mm), 10-425 (10mm) 1.5mm Vials kanye ne-13mm) 4mm Vaials.
