Amendment 0001 has been posted for a combined synopsis/solicitation for commercial products, with details in the attached RFQ. The requirement is for six Differential Electronic Levels in accordance with the Calibration Standards Specification (CSS FY21-CP-0009), Attachment 2. The Government intends to procure these items under full and open competition. The resulting contract will be Firm-Fixed Price, awarded to the lowest evaluated price proposal rated Acceptable in both Technical and Past Performance. Contractors must be registered in SAM.