Hopewell Precision has supplied Custom Metal Fabrication to the S.I. for the United Nations upgrade. The Metal brkts are for holding cameras & antennas. These Assemblies had to be able to fit in between wooden slats on the walls. The brkts could not be in contact with the surface structures because of the Historic Designations the building has.........The S.I. came to Hopewell Precision with a concept.......Hopewell designed , fabricated & delivered......