The CMS Speed-Connect Adjustable Extension Columns lower projector to desired height. Features:- Provides height adjustment in 1" increments.- Knotched design for adjustment without disassembly.- Flow-through cable management with cable exit port.- Includes set screw for add stability.- Consists of 1.5" NPT column. threaded on both ends.- Use in combination with any Chief 1.5" NPT ceiling plate or other accessory.
