Aluminum legs and steel center shaft combine for lightweight portability and strength AIR-LIFT piston provides 40lbs of lift assist when raising/lowering your screen Allows a 50lb max capacity and a 42" max screen size Supports VESA mounting patterns 50x50 to 200x200 and +/- 15 degrees tilt adjustment to accommodate a range of viewing angles Optimal 46" base spread marked on center shaft for easy set up and peace of mind 120-degree tripod design provides wide and stable stance while offering unbeatable portability Includes mounting hardware, non-slip rubber feet, 4mm support braces to stabilize legs