I-vial rack, eyaziwa nangokuthi i-vial holder noma i-vial tray, iyithuluzi noma into esetshenziswa kulabhorethri nezilungiselelo zesayensi ukubamba nokuhlela izitsha ngendlela ehlelekile. Idizayinelwe ukuthi ibambe ngokuvikelekile izitsha eziningi ngesikhathi esisodwa, inikeze ukuzinza nokuba lula ngesikhathi sokuphatha isampula, ukugcinwa, kanye nokuhamba.
Ama-vial racks afika ngezindlela ezihlukahlukene, osayizi, kanye nezinto zokwakha ukuze kufakwe izinhlobo ezahlukene nobukhulu bezitsha. Ngokuvamile ahlanganisa uhlaka noma isakhiwo esinezikhala, amagumbi, noma izimbobo lapho izitsha zingafakwa noma zibekwe khona. Izikhala noma amakhompathimenti anosayizi futhi abunjwe ukuze afane namabhodlela, okuqinisekisa ukulingana okuvikelekile.