2mL Clear Glass 12x32mm Flat Base 8-425 Screw Thread Vial. 100pcs/pk. C0000002. 2mL Clear Glass 12x32mm Flat Base 8-425 Screw Thread Vial with Label. 100pcs/pk. C0000003. 2mL Amber Glass 12x32mm Flat Base 8-425 Screw Thread Vial. 100pcs/pk. C0000004. 2mL Amber Glass 12x32mm Flat Base 8-425 Screw Thread Vial with Label. 100pcs/pk..