Common use 1.5mL 8-425 screw neck vial Aijiren . Common use 1.5mL 8-425 screw neck vial Aijiren 9mm 2ml Wide Opening Screw Vials For example, 8-425 neck finish represents a vial with a diameter of 8 mm across the outside of the threads and a thread style of 425. News-The latest news of 2ml amber & clear hplc vials