HPLC Vial 10-425 1.5ml Screw Vial. The wide open vial has a larger target area to make it easier to prepare the sample and to reduce the possibility of the needle bending or bending during sampling. Vials are manufactured in clear type 1 class A or amber type 1 class B borosicate glass. 10-425 screw fasteners and 10mm septum must be used.