Aijiren’s 2ml vial has a size of 32*12mm, 2ml, screw mouth. It is equivalent in size to 11mm crimp top vials and 10-425 thread vials. 9mm screw vials can be used in any autosampler that uses 11mm crimp top vials and 10-425 screw vials. Compared with the 11mm crimp top cover type, the 9mm type can be easily disassembled by hand.