Certified screw thread vials, 10-425 thread, 12 x 32 mm Write a review volume 2 mL, clear glass vial, PTFE/silicone septum, (convenience kit), pkg of 100 ea NACRES: NB.11 Pricing and availability is not currently available. Properties material PTFE/silicone septum clear glass vial polypropylene cap feature closure type screw top vial