See Assembly Caps and Septum Limited volume micro-insert for wide opening 10-425 vial. 10-425 HPLC Vials from aijiren on Sale 10-425 Wide-opening vials provide an increased target area for easier sample preparation and to reduce the chance of bent or broken needles during sampling,10-425 Vials are manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate glass.