The size is 11.6×32mm. Standard GC, HPLC sample vial, small caliber, 8-425 standard threaded mouth, can be used for autosampler and sample storage. It can be used with 8-425 screw cap septum. 8-425 Autosampler Vial, often used in conjunction with Shimadzu, Spectrophysics, Varian, and other autosamplers.