This convenience pack includes 2mL clear vials with graduated write-on spot and blue polypropylene 9-425 screw-thread caps with septa. Vials are manufactured from Type 1 borosilicate glass. Vial kits are tested and guaranteed to meet or exceed critical performance parameters. Ideal for use with Aijiren, Shimadzu, Beckman, Gerstel, as well as other 12x32mm vial format autosampler units.