Add this adapter to your assembly to route cords and wires through an extension column. The 1 1/2 -11.5 NPS threaded fitting measures 3.5" (89mm) long and adds approximately 2.5" (64mm) to the length of the extension column. Includes one adapter and one safety locking security screw. For use with all Peerless Fixed Length and Adjustable Extension Columns.
