1.5ml Screw Neck Vials,Caps and Septa, small opening, 8-425 thread ND8 · 8-425 screw thread caps and vials are often used in conjunction with Shimadzu, aijiren,Spectra-Physics, Varian, and other autosamplers. · Vials are manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate