Vials, Caps & Septa / Sampling & Storage Containers Robotic-arm Autosamplers. With a 40% larger opening, the Robotic Vial is specifically designed to. 2mL Autosampler Vial with Writing Area, 2ml Plastic Syringes, 9-425 . Buy 2mL Autosampler Vial with Writing Area, 2ml Plastic Syringes, Class A Borosilicate Glass,9-425 screw top vials is 40% larger opening than standard