It is not easy to cause the vial to break during transportation. Aijiren’s 2ml hplc Vial has three different calibers to choose from. Screw, crimp and snap, the openings are divided into 8mm-11mm, many types are convenient for customers to choose. Rated 4.9 /5 based on 569 customer reviews. 1.5ml hplc vial 1.5ml screw neck vial autosampler vial.