For use with snap caps or aluminum crimp seal closures, these high-quality 11mm amber glass vials are 2mL, 12x32mm and fit most brands of autosamplers. Shop Thermo Scientific™ 11mm Thermo Scientific™ 11mm Amber Glass Crimp/Snap Top Vials: Autosampler Vials and Vial Sets Autosampler Vials, Caps, and Closures | Fisher Scientific