welded tubular panel is completely constructed of tubing. Perimeter patrol temporary fence panels are constructed of high grade steel with a premium finish to resist rust and corrosion giving you years of worry-free service. This heavy duty panel has welded vertical bars with additional support bar welded at the center point-assembled panels simply clamp together, no tools required. Base feet plates included. Outer frame and center support is made of 1-1/8″ square tube, with a .039″ wall thickness. Vertical tubes are 1-1/8″ diameter. Black tiger polyester powder coat finish. Kit contains: 4- 5’w x 6’h welded bars panels with clamps (20 linear feet), 5 base feet..