The 15kg black concrete base is ideal for holding your parasol in place. This parasol base will fit all our centre poles up to 48mm, the adapters included will allow smaller poles 38mm to be used. Additionally, the parasol can be held in place with tightening caps which will hold the parasol in place. Features: Durable Concrete Base Easy care Rust Free UV Resistant protection Easy Clean Specifications: 41.5cm Diameter Colour: Black Guarantee:1 Year Material: Concrete Model Number: B1-15