Outsunny Resin Parasol Base: Wheeled Wonder for Outdoor Umbrellas, Retractable Handles, Fits 38-48mm Poles, Jet Black; This Outsunny parasol base with wheels makes life outdoors easier. The wheeled design makes it easy to move around. The middle holder fits poles between Φ38-Φ48mm, with a tightening screw to hold securely in place. Enjoy sunshine days in safety.Features:Parasol base suitable for Outsunny parasols, with poles sized between Φ38-Φ48mmSide tightening knob for securityFour wheels to move easily, with brakes for securityHandles to carry easilyWeather-resistant resin body, with a powder-coated steel pole holderEasy to assemble