Charles Bentley 10kg Cast Iron Metal Square Parasol Base - Bronze This Bentley Garden umbrella base is made of sturdy cast iron which provides a durable material to last for years to come. This metal parasol base in a classy bronze colour will also be a great piece of decoration for your garden or patio. The side knob is used to tighten up the parasol pole to the base. Square umbrella base Adjustable side knob Classy bronze finish Dimensions: l44 x w44 x h32 cm. pole diameter: 53.5mm Weight: 10kg Colour: Bronze Self assembly required