aluminum crimp cap and septa 40% larger opening crimp top . Aluminum Cap with Septa. Crimp Vial have standard 11.6x32mm profile is compatible with 11mm aluminum seal closures, the wide opening crimp cap provides a larger target area for improved autosampler needle accuracy. Kinds s Rated 4.6 /5 based on 473 customer reviews. 11mm crimp vial 2ml