Chiefs FUSION™ Flat Panel Ceiling Mounts are installer inspired and offer perfect display positioning and flexible adjustments for large flat panel screens. Great for digital signage installations. Ceiling Plate and Extension Column are required and must be ordered separately Compatible with traditional 1.5" NPT and new CPA pinned ceiling plates and column system See ceiling plates and extension columns (Adjustable and Fixed) for 1.5" NPT compatibility See CPA ceiling plates and CPA columns for pin connection compatibility Stackable on a single pole when used with CPA columns