This parasol base with wheels makes life outdoors easier. The wheeled design makes it easy to move around. It can be filled with sand water or a mix to hold your parasol weight in place. The middle holder fits poles between Φ38-Φ48mm with two tightening screws to hold securely in place. Enjoy sunshine days in safety. Features: Parasol base suitable for parasols with poles sized between Φ38-Φ48mm Two side tightening knobs for security Wheels to move easily with brakes for security Fill with sand