Certified glass inserts for 8 x 40 mm shell vials, volume 100 μL, clear glass insert (with plastic bottom spring), O.D. × H 5 mm × 30 mm, pkg of 100 ea 5 mm × 30 mm Expand 29378-U Certified Kits, screw thread vials, 12 x 32 mm, 9 mm thread, unassembled, pkg of 100, volume 2 mL, clear glass vial, PTFE/silicone septum (bonded to cap)