CMS-024W CMS Speed-Connect Fixed Extension Columns can be used with any 1 1/2" NPT accessory to lower projector to desired height. Consists of 1 1/2" NPT column threaded on both ends (3" to 6' lengths). Includes an integrated port on one end for routing cables Aluminum construction for easier installation – also saves on shipping costs SPECIFICATIONS Length: 24" (609.6 mm) Color: White (also available in Black and Silver) Weight Capacity: 500 lbs. (186.62 kg)