Certified snap ring vials, 12 x 32 mm, 6.0 mm I.D., volume 2 mL, amber glass vial (with graduated marking spot), pkg of 100 ea, 29409-U. Certified snap ring vials, 12 x 32 mm, 6.0 mm I.D., volume 0.3 mL, natural polypropylene vial, pkg of 100 ea, Crimp/Snap Vials, Caps and Kits | Thermo Fisher Scientific - US