The Frankford 75 lb. Steel Square Base Plate with Wheels is designed for a free-standing application and is perfect for a 7.5 - 11' umbrellas. The base accommodates a 1.5" diameter umbrella pole and has a slim profile that offers a sleek, upgraded appearance accompanied by 2 wheels which allow you to easily move the umbrella around your patio. If you would like to be able to move your umbrella around your outdoor oasis with ease, the Frankford 75 lb. Steel Square Base Plate with Wheels is your ideal solution.