This AP Products Round Surface Mount Pedestal Base is 6-5/8 inch diameter x 2 inch height. Specifications•Type: Pedestal Base•Diameter (IN):6-5/8 Inch•Color: Silver•Material: Aluminum•Mounting Type: Surface Mount•Quantity: Single 6-5/8 Inch Diameter x 2 Inch Height 6 Mounting Holes Chrome Plated | AP Products Round Surface Mount Pedestal Base, Chrome