Vial Kit, 9mm screw top, polypropylene, 300uL, with cap and PTFE/Silicon, pre-slit septa, pk 1000: Clear p/p: 226-50523-00: Insert for 9mm, 2ml screw vials, 250ul,6 x 29mm, precision point with spring, pk 100: Clear Glass: 226-50523-10: Insert for 9mm, 2ml screw vials, 250ul, 6 x 29mm, precision point with spring, pk 1000: Clear Glass: 226-50524-00