Legrand Chief CMS0305, 3-5' Adjustable Extension Column, Pole

Save installation time and maximize security with these adjustable columns.
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

Depth 2.3 in (5.8 cm)
Extension 3 - 5' (1.04 - 1.74m)
Height 60 in (152.4 cm)
Overall Dimensions
60.0" x 2.3" x 2.3" (1524 x 59 x 59 mm)
Shipping Weight 8 lbs (3.6 kg)
Weight Capacity 500 lbs (226.8 kg)
Width 2.3 in (5.8 cm)

https://www.legrandav.com/Products/Accessories/Projector-Accessories/Extension-Adjustable/CMS0305