A&E SPECIFICATIONS: The rackmount shelf shall be Lowell Model No. VDS-1-1525 which shall expand from 15.25 to 25.00 inches deep, have an overall width of 19 inches and a height of 1.5 inches (1 rack unit). The shelf shall be 16-ga. steel construction with 14-ga. steel mounting ears, bottom vents and a smooth black powder epoxy finish. It shall include four mounting brackets, a hold-down bracket for mounted equipment, and mounting hardware. It shall be made in the U.S.A. with certified U.S. steel and have a load capacity of 400 lbs.