Fit all 2.0 mL, 12 x 32 mm, screw-thread 9 mm/425 vial-based autosamplers. For an instrument reference chart for 2.0 mL, 9 mm Short-Cap, Screw-Thread Vials, click here. 2.0 mL, 9 mm Short-Cap, Screw-Thread Vials (vial only) Select Catalog # below Product Options Not sure which Restek product is the best for your analysis?