Aluminum Alloy Screw Reverse Head (400mm * 400mm)

Anti-head: The shape is a 1-meter truss with a loose-leaf connection in the middle, and the upper part can be rotated 180 degrees along the connecting shaft.
Function: Convenient column trusses for easy construction, for particularly high column aluminum alloy light frame, if there is no anti-head, then need to use tools such as ladder to assemble the column light frame of each node, and if it is very easy to use the back , First column aluminum alloy light frame lying down link, and then one end of the aluminum alloy light frame connected to the opposite side of the head, the opposite end of the bottom fixed on the base, and then a few people together to the column truss to stand up , very effort.