Sunydeal Articulating Arm Tilt TV Mount For Vizio 37" 42" 46"47"49" 55" E370VL E420VO E470VL E550VA VO47LF GV47LF VW46LF SV470XVT GV42LF SV420XVT VP423 VP422 VO42LF Rigorously stress tested to ensure security, safety and peace of mind Adjustable tilting for perfect viewing angle Multi-directional adjustment tilt, swivel and extend for perfect viewing angle Our screws might not be long enough for some TV models, Please check the PARTS image aboved and your TV's VESA before order. Make sure the wall installed TV bracket is firmness and tightness, such as concrete wall, solid wood wall, do not install in hollow and floppy walls.