Heavy Plate with Wheels Centre Post BaseThe Instant Shade Heavy Base Plate with Wheels is suitable for the Caf Series and Monaco patio umbrellas. It is 600mm x 600mm, comes with either a 40mm or 50mm spigot (depending on the post size of your umbrella) and weighs 35kg and also comes with wheel locks and double locking screws to secure the umbrella post. You can also use sandbags on top for extra security. The plate is rust resistant and powder coated in black. Suitable for: Instant Shade