Vials are manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate glass and include a write-on patch for sample identification. Fit all 1.5ml, 12x32mm, screw-thread 8-425 vial-based autosamplers. 1.5ml, 8mm Small Opening Screw Vials (vial only), 11.6x32mm Description Cat No 1.5ml clear screw vial, 8-425 thread X817