Aluminum square tubing. .875 in x .875 in outer dimension. .060 in wall thickness. 6 feet in length. Silver finish. Sold individually. (Also available in 12 ft lengths - call to arrange freight shipping). For use to suspend 88001 Cubicle Track from high ceilings. Compatible with 88204 Ceiling Flanges, 88202 Track Adapters, and 88206 Wall Brackets. Simply cut the tubing to length, and attach one end to the ceiling with the 88204 Ceiling Flange, and connect the other end of the tubing to the track with the 88202 Track Adapters. The tubing is attached by drilling a hole to allow the mounting bolt to pass through the tubing. Recommended spacing between supports is 3 to 4 feet.