Attwood Pro 9 Fixed Height Boat Seat Pedestal Base This boat seat pedestal base features a 9 high pedestal that accepts mounts with a 2-78 diameter. This base is easy to install and use with any Attwood 278 boat seat mounts and boat seat swivels. California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Pedestal Product MPN 278AOGY090-1 Product UPC 022697278098 Fast Ship In Stock Ships Today Deals Clearance custom-sash CLEARANCEE72B2BFFFFFFt