Vials, open-top screw cap, 2 mL large opening with closures, unassembled convenience packs volume 2 mL, amber glass vial, thread for 10-425, black polypropylene cap, PTFE/silicone septa, pkg of × 100 ea. 2 mL. thread for 10-425. 12 mm × 32 mm × 6 mm. PTFE/silicone septa. See full list on sigmaaldrich.com