The 3-Axis Camera Mounting Plate Kit is designed for mounting a camera on a pipe or truss 48-51mm in diameter. Two couplers - one welded with a 5.5in (14cm) long 2in pipe, and the other welded with a camera mounting plate, offers great flexibility to keep the camera in any desired position. Perfect for mounting on a pipe boom rig or truss for overhead filming. Constructed from lightweight and solid aluminum alloy.