Thermo Scientific Chromacol offers hand held electronic crimpers for crimping or removal of aluminum seals on 8, 11, 13 and 20mm vials. The crimper is a hand GC Autosampler Vials. 2.0 mL, Amber glass, 6.0 mm opening, crimp top, silanized require 12 x 32mm screw top or crimp top vials. Perkin-Elmer ISS 100, ISS 200. 11 mm PTFE/Silicone Septa