Peerless-AV AEC006009 Mounting Extension for Flat Panel Display, Projector - 900.00 lb Load Capacity - Steel - White Notched adjustment design enables easy height adjustment and position locking; Height 9.000; Width 6.000; Depth 6.000; Weight 1.00; Color White; Operating System; Batteries Included; Batteries Required; Number of Batteries; Battery Type; Language English; Assembly Required Offers unobtrusive cable management Lightweight aluminum construction for ease of installation and lower freight cost Height adjustment at 1" (25mm) increments 1-1/2"-11.5 NPT (38mm) aluminum column threaded on both ends