Description. VN9-1002A. 2ml Amber vial, 9-425 screw top, graduated with writing area, 100pcs/pack. VN9-1002CL. 2ml Clear vial, 9-425 screw top, graduated with writing area, 100pcs/pack. SCN9-G-1001. Red PTFE/white silicone septa + Green screw cap with