Vials, 2 mL crimp top, clear glass, 12 x 32 mm clear glass yellow polypropylene hole cap, thread for 8-425, no septum, 2 mL Clear Crimp-Top Vials and 11 mm Caps, ID Patch, White PTFE . This convenience pack includes 2mL clear crimp-top vials with graduated write-on spot and 11mm aluminum crimp-top caps with septa. Vials are manufactured