Screw top caps 2ml,4ml and 300ul vials complete with septa 24074003 2 ml crimp top vials, 11mm finish,(requires 11mm aluminum caps and seals P/N 38606040) 38606040 28214018 Crimp-top 10ml vial, 20 mm finish Crimp-top 20ml vial, 20 mm finish AL.cap, 20 mm, butyl rubber septum (low temp. application) AL.cap, 20 mm, butyl rubber-Teflon faced