36. insert for vials N 11, wide openin . 8-425 HPLC Vial with Micro-insert for SHIMADZU - Aijiren Vials. There are 3 types of micro-insert, 29*5mm 150uL micro-insert with mandrel interior&polymer feet, 150uL conical bottom micro-insert and 250uL flat bottom micro-insert. All three types of micro-insert can be adapted to 8-425 2ml Autosampler Vials.