CMS443 Extension Column and Ceiling Mount Kit - Combines 2 great products: A suspended ceiling kit and a 3" (76 mm) extension column, in an easy-to-order package. Features include WireVice Cable Suspension System for quick and easy tie-off, TwisTile Ceiling Tile Cutter pierces a hole in your tile for column placement, Continuously adjustable mounting slot for infinite placement options, Single and dual electrical outlet cutouts and Fits 24" (600 mm) wide ceiling tile grids -- White -- weight capacity is 50lbs.