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 Short Thread Caps with Septa Screw Caps with Septa for 8-425 Screw Neck Vial 10-425 Screw Caps with Septa 11mm Crimp Top Caps with Septa 11mm Snap Top Caps with Septa 13-425 Thread Caps with Septa 20mm Crimp Top