For 38mm-48mm pole sizes: This outdoor umbrella stand is suitable for most of our Outsunny parasol umbrellas. Fixing knob on pole to keep umbrella secured in place.Adjustable fixing knob: Keep the parasol fixed in place, when slotted into the pole of this patio umbrella stand.Sturdy: Resin parasol base is resistant to chipping, peeling and more, with the powder coated steel pole holding umbrella strong in place.Net Weight: 19kg. Easy assembly required.Overall size: Φ54.5 x 34H cm.