2021/10/26 · 2021-10-26. mm Amber Glass Crimp/Snap Top Vials Aijiren Tech™. For use with snap caps or aluminum crimp seal closures, these high-quality mm amber glass vials are 2mL, 2x32mm and fit most brands of autosamplers. Made of superior quality 5A (Type , Class B), they meet all requirements of US, EU, JPN Pharmacopia.