The Peerless 3’-5’ Adjustable Extension Column allows for 3-5’ (7.6-12.7 cm) of height adjustment in 1’’ (25 mm) increments. Thus, adds flexibility and functionality to the projector or flat panel mount in use. The superior quality solid steel used in the extension column ensures its excellent performance even in harsh conditions. 1.5’’ diameter NPT pipe provides interior cable management and is threaded at both ends. This white extension column is perfect for projectors, flat panel screens, and ceiling mount surfaces.