This commercial grade in-ground umbrella base accommodates 1 1/2″ diameter umbrella poles and features a locking plate and latch that will not damage your umbrella pole. The detachable 24" tall top can be removed and the low profile 5″ diameter plate is rounded on the corners and low to the ground to prevent tripping. This base can be used on concrete, soil, and on a deck. Our Bazooka umbrella base is a great solution for preventing vandalism to your umbrella.