Standard Opening hplc insert with mandrel interior and. Vial Inserts For 8/9mm Autosampler Vials. V4091 – 250uL Insert with mandrel interior and polymer feet, 29*5.7mm, for 9mm Vials, 100ea/pkgV917 – 1.5ml wide opening short screw-thread vial, clear 11.6*32mm borosilicate type 70, 100ea/pkg C9191 – White PTFE/red silicone septa, 9mm blue