Features Includes all installation hardware Includes ceiling plate Adjustable extension column Two plastic snap-on cable management covers Pivot/tilt attachment for a variety of screen positioning options Built-In Cable Management Cable management system with snap-on cable covers Exclusive Centris Technology Gravity-centered tilt self-adjusts to securely hold different display weights. Portrait and landscape rotation and side-to-side pivot CEILING PLATE - 5" x 5" (127 x 127 mm) MAX. EXTENSION - 13-1/4" (340 mm) HEIGHT ADJUSTMENT- 23" ~ 42" TILT - +/- 15 degrees PIVOT - 360 degrees DIMENSIONS - 8-3/16"w x 12-3/16"h x 2-1/8"d WEIGHT CAPACITY - 40 lbs. (18.2 kg)