Black 10-425 Open Top Screw Cap with Red PTFE/White Silicone Septa 1mm Thick. 100pcs/pk. C0001197. 2mL Clear Glass 12x32mm Flat Base 10-425 Screw Thread Vial with Label. Black 10-425 Open Top Screw Cap with Red PTFE/White Silicone Septa 1.0mm Thick. Kit Packing. 100pcs/pk. C0001198. 2mL Amber Glass 12x32mm Flat Base 10-425 Screw Thread Vial