Save Installation Time and Maximize Security With These Adjustable Columns! The Chief CMS0406 Adjustable Extension Pipe (Black) 4’ - 6’ (48 to 72 inches), is a projector mount accessory made of lightweight but sturdy aluminum that allows you to make length adjustments in 1” increments. 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
