Heavy Duty TV Wall Mount for most 19-40 inch LED LCD Monitor with VESA 100 mounting hole patterns; Support up to 55 lbs Extends 20" from the wall; Retracts to 3" to save space VESA 75x75mm (3"x3") and 100x100mm (4"x4") compliant Adjustable +/- 15 degree tilt and max 180 degrees swivel for perfect viewing angle Single stud wall mount, Easy to install. Post-installation level adjustment allows the TV to perfectly level