Pin Connection Column 24" (61 cm) Chief's new CPA column system hosts many installation inspired features along with an aesthetic finish. Available in black and silver. Pin Connection Column 48" (121.9 cm) Chief's new CPA column system hosts many installation inspired features along with an aesthetic finish. Available in black and silver. Dual Pin Connection - Connection is achieved by fastening two thread forming screws at each column end into factory pre-drilled holes. - The fasteners do not pass completely through the center of the column enabling cable pass though Flexible Inventory - Can be cut to length to customize your installation - Can be re-drilled - Can also be threaded to 1.5" NPT Compatibility - Compatible with dedicated pin connection ceiling plates (see CPA Plates) - Compatible with all Chief Ceiling Plates (see CPA261 and CPA262) Professional Appearance - Grooves in outer surface of column provide an aesthetic appearance and also act as drill guides Multiple Length Options - Ships in pre-cut lengths with 3 pre-drilled thru holes in each column end TAA Compliant