1.8-425 Standard autosampler vials(11.6*32mm) for GC and HPLC 2.Available with black or white screw caps with 8-425 thread 1.5mL 9mm Short Thread Vial ND9 1.5mL 8-425 Screw Neck Vial ND8 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