This adjustable 1.5" diameter by 8.66" to 14.57" Long NPT allows you to easily customize the length needed of your NPT pipe.  It offers 5 different positions.  Simply lift and twist to the desired position.  This NPT pipe is designed to attach NPT ceiling mount TV mounts and ceiling plates.  It comes threaded on both ends so you can attach the ceiling plate on the top end and the TV mount on the bottom end. NPT, also know as the American National Standard Pipe Thread standards are U.S. national technical standards used for the screw threads on pipes and fittings.  It can hold up to 200lbs and is RoHS compliant.