10 to 12ft Adjustable Extension Column WHISave installation time and maximize security with these adjustable columns. Key Features • Provides height adjustment in 1 increments• Notched design for adjustment without disassembly• 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• TAA CompliantFeaturesColourWhite Pole length10 to 12ft