2ml HPLC autosampler vials thread ND9-425 Screw Neck glass sample vials with Cap HM-0712 - Excellent Products Made In China, China Manufacturer. Suitable for aijiren, aijiren Technology, varian, Shimadzu and other autosamplers . assembled with cap and septa , use them instantly to save your time. With Writing pad , convenient for pencil marks. optional. Precise bottle neck size, ensure autosampler handle