Vial size 12 x 33 mm, 9 mm diameter. Wide opening to prevent syringe problem. Compatible with most common HPLC or GC instruments. Add to cart. Categories: ChromineX, Chromatography Tags: 2ml vial, 9-425 screw top vial, amber vial, amber vial 2ml, autosampler vial, screw top vial, Screw vial, Vial.