Description. Item Code: C0000002. Description: 2mL Clear Glass 12x32mm Flat Base 8-425 Screw Thread Vial with Label. 100pcs/pk. Packing: 100 pieces/pack. Product Description. 2ML 8-425 Vial, with standard opening vials for GC and HPLC, is used on instruments of Shimadzu, Varian, Gilson etc.