This umbrella stand base is made of tempered iron, durable and anti-rust;
This umbrella stand center pole inner diameter 1.38"(35mm), fits 7.87ft-10.49ft (2.4m-3.2m) umbrellas with pole diameter less than 1.38".
The umbrella stand center pole diameter is adjustable from 1" to 1.38" (25mm - 35mm); if umbrellas pole less than 1"(25mm), using the side screw knob lock to adjust and fit it.
You will get one umbrella stand base holder with black plastic cover;
This umbrella stand base is widely used for fishing umbrella, beach umbrella, sunshade umbrella,advertising umbrella, flagpole, garden etc.