This came off a jeol Jem electron scanning microscope, see photos. The item "JEOL Transmission Electron Microscope Objective Lens Aperture Assembly JEM-100CX" is in sale since Saturday, March 9, 2013. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical/Lab Equipment Attachments & Accessories\Microscope Parts & Accessories\Other Microscope Parts & Accessories". The seller is "inteltechsales" and is located in Saint Paul, Minnesota.
This item can be shipped to United States.