Wise WP24 Series Aluminum Fixed Height Pedestal, ABYC Class AD Driver/Passenger: * ABYC rated Class AD Driver * Standard 12" fixed height is great deep V fishing boats * 2-3/8" diameter thick wall anodized aluminum post * Cast and E-coated Seat Spider mount allows seat to swivel 360 degrees or lock down tight with locking handle * Raised 9" diameter anodized aluminum base features 6 recessed mounting holes * Fits virtually all brands of seats * 3-year warranty