STRONG MATERIALS STRUCTURAL SAFETY: Made of steel, it can safely hold up to 5 times heavier than the smart board, up to 220 lbs. with a stable wide frame leg structure designed to prevent tilting, you can ensure the safety of your smart board. Bracket Stability: Each caster has a fixture that holds it in place where you need it to be and won't slip during use. ADJUSTABLE HEIGHT: The smart board is placed in 3 adjustable positions, the maximum adjustable height is up to 15 inches, you can install the smart board at the most suitable height at will. PORTABLE MOVEMENT: Four 360° omni-directional movable wheels with locking function can easily move the smart board to different positions while ensuring stability during use. MULTIPURPOSE: The removable wheels and sturdy, stable design make the smart board mobile stand suitable for offices, classrooms and homes. AYSTekMann Smart Board Portal Stand with Wheels Suitable for 55" 65" 75" smart whiteboard, design for home office or classroom Material: High quality steel