today for HPLC, GC, LCMS & GCMS. Highest quality USP TYPE 1, Class A, 33 Expansion, Borosilicate glass. Ordering Information : 9mm Vial ND9, Wide opening with Short Thread 120901 2ml screw neck ND9 vial, Clear 100/pk 120902 2ml screw neck ND9 vial, Amber 100/pk 120903 2ml screw neck ND9 vial with Marking spot, Clear 100/pk