11 gauge, m plate, 3" adjustable column, 3.0" o.D., Swivel plate on screw end, m plate on tube end, completely assembled no loose parts, wood or steel beam mount, finished with corrosion resistant powder coating that exceeds astm-b117-
6 feet 9 inches to 7 feet 1 inch , 11 gauge, m plate, 3 inches adjustable column, 3.0 inches o.D., Swivel plate on screw end, m plate on tube end, completely assembled no loose parts, wood or steel beam mount, finished with corrosion resistant powder coating that exceeds astm-b117-85, 2006 icc and irc approved. |