I-roller track-type rack yenziwe nge-roller track, i-roller, ikholomu ethe tye, i-beam enqamlezayo, intonga yokubopha, isilayidi sesilayidi, itafile ye-roller kunye nezinye izixhobo zokukhusela, ukuhambisa iimpahla ukusuka ekupheleni okuphezulu ukuya kwisiphelo esisezantsi ngokusebenzisa ii-roller ezinomahluko othile wokuphakama. , kunye nokwenza iimpahla zityibilike ngobunzima bazo, ukuze kuphunyezwe imisebenzi "yokuqala ekuqaleni (FIFO)".