Boat Swivel Seat Pedestal CLLOMAGY Boat Seat Base Mount Boat Seat Pedestal Base Mount Plate For 3/4" Pin Post Socket, 7" X 7" Heavy Duty Aluminum Marine Pedestal Bracket For Marine Seat Pedestal Perfect boat pedestal base for most marine/fishing/bass/jon/cruising boat. The fishing boat seat base fits standard universal non threaded 3/4" boat seat pin post socket. Perfect boat seat post replacement for your existing seat base to marine/fishing/bass/jon/cruising boat when playing water sports Great addition for pontoon/fishing/jon/bass boat deck dock: The boat seat pedestals and bases kit replaces existing boat seat & add seats on the boat boarding, allowing you to have boat seat accessories to enjoy fishing boating time. Attwood Marine AOP0912BD1 Boat Seat Pedestal Base Plate - www... Fitment: The 7 x 7 boat seat pedestal is a base for mounting boat seats with standard non-threaded 3/4 boat seat pin post(6 height,1., 5 diameter) and 3/4 pin seat mount. Best Boat Seat Pedestal Bases for Marine and Fishing Boats – Mechanic Safe and comfortable boat swivel seat: 360 degree swivel and convenient seat height for comfortable sitting position and smooth rotation, enhancing boat travelling or fishing experience and operating the foot pedal trolling motor more safe and easy.