1.5mL/2mL screw neck ND8, small opening, 8-425 thread autosampler vials with matched PP screw seals ND8, PTFE/rubber septa & micro-inserts. 9mm 2ml Short Tread HPLC Autosampler Vial 9mm Short Thread Caps with Septa 8-425 2ml Screw Neck HPLC Autosampler Vial Screw Caps with Septa for 8-425 Screw Neck Vial 10-425 Screw Neck 2ml HPLC Autosampler Vial 10-425 Screw Caps with Septa