Dia.=13.5 mm X Ht.=55 mm, Scintillation Vials moulded in HDPE., Press Fit Cap, Autoclovable, Capacity 4 ml. Coulter Counter Vials, Screw Cap, Moulded in HDPE, O.D.=15 mm X Ht.=60 mm, Capacity 8 ml. Scintillation Vial, PressScrew Cap, Moulded in HDPE, O.D.=27mm X Ht.=61mm, Capacity 15 ml.