thread for 10-425. 12 mm × 32 mm × 6 mm. amber glass vial. lips on vial glass insert. pkg of 100 ea. pricing. 27418. Screw Top vials, 12 × 32 mm, limited volume step vial volume 0.25 mL, clear glass vial, step vial, large opening (with glass insert), pkg of 100 ea. 0.25 mL.