2.0mL Versa Vial™. The Versa Vial™ is a 12x32mm shell vial with a modified neck that allows pick-up by an autosampler. This vial can be used in most autosamplers that currently use 12x32mm vials. The vase like design of the Versa Vial™ system has the largest opening available for any autosampler use. The elongated.