6" (152 mm) Speed-Connect Fixed Extension Column This Speed-Connect Fixed Extension Column lowers projector to desired height. Features: Extension column features easy installation and maximum strength Consists of 1.5" NPT column, threaded on both ends Use in combination with any Chief 1.5" NPT ceiling plate or other accessory Specifications: Length: 6" (152.4 mm) Color: Black (also available in Silver or White) Weight Capacity: 500 lbs (226.8 kg) Downloads Installation - Assembly Download eDrawings CAD ViewerOrdering Steps: Contact Customer Service at 952-894-6280, or toll free in the U.S.at 800-582-6480 . Where To Buy Frequently Asked Questions: Contact Customer Service at 952-894-6280, or toll free in the U.S.at 800-582-6480 . Reviews Specifications: Length: 6" (152.4 mm) Color: Black (also available in Silver or White) Weight Capacity: 500 lbs (226.8 kg)