The Strong™ 1 -1/2 in. NPT Coupler is the simple solution for extending projector mounts on the job. Whether your install calls for an extension pole for a 10' residential bonus room or a 25-30' cathedral church ceiling. If you are installing into both residential and commercial settings, ceiling heights vary greatly – and so does the length of the extension pole you need to use – so sometimes the simplest thing to do is cut the pipe length you need at the time you need it. Thanks to its 1-1/2” NPT this coupler will fit any extension pole, giving you one less hoop to jump through during your install.