Made of the rust-resistant resin, this parasol umbrella base can be used for a long time, is a great accessory to have to accompany your half round parasol. Design to work perfectly this this type of parasol, it will be able to reduce the amount of space it takes. The base has a flower pattern to suit any outdoor setting, it holds the umbrella pole securely and evenly in place. 5.7cm opening holds patio umbrella securely and upright with the tightening knob. This resin parasol base is suitable for half round parasol poles with diameters of 38mm and 48mm.