Fits ?38-?48mm pole sizes: Umbrella base is suitable for most parasol umbrellas. Measure in advance to ensure proper fit.Parasol base on wheels: Move this outdoor umbrella stand around easily - whether parasol is attached or not. Brakes to stand in place.Adjustable fixing knob: Keep the parasol fixed in place, when slotted into the pole of this patio umbrella base.Sturdy: Resin parasol base is resistant to chipping, peeling and more, with the powder coated steel pole holding umbrella strong in place.Dimensions: 41H x ?53cm. Pole: 25H x ?5.7cm. Suitable Outsunny skus: X-840-070 and X-840-125. Easy to assemble.