100pcs 2ml Lab Autosampler Vials with 2 Racks ; MUHWA 2ml HPLC vials is made of high-quality glass material. 9-425 Screw Cap HPLC Vials Dimensions: Closure size 9mm, Diameter of the vial is 12mm and the height is 32mm. Vial Volume is 2ml ; MUHWA autosample vials have a white writing area and clear graduation lines