A heavy duty cast base weighing approximately 20 lbs. can be mounted in a 12 inch or greater flat concrete setting. Designed for strength, appearance, and ease of installation. Three lag bolts or anchor sets with bolts are all that is required. Three drain grooves in the bottom prevents water retention. Virtually Indestructible due to the solid cast iron this unit will do the job. Diameter: 11 inch Height: 6 inch