This is a non-competitive, firm-fixed-price purchase order for a one-year maintenance and service agreement for a Zeiss Crossbeam 540 FIB-SEM instrument. The work will be performed at the NHLBI EM Core, with the service provided by Carl Zeiss Microscopy, LLC. No specific budget amount is mentioned. The location for performance is Peabody, MA, as the service provider is based there. The opportunity is not set aside for small businesses.