CMA-395 CMA-395 adjusts from -5 degrees to +95 degrees to level an angled ceiling. Accepts 1 1/2" NPT threaded extension column. Three slotted mounting holes allow horizontal and vertical adjustment for a precise installation. Includes set screw. Dimensions: 4 1/4" H x 3" W x 7 1/2" L 107.9mm H x 76.2mm W x 190.5mm L Weight Capacity: 500 lbs.