Wise Fixed Height Seat Pedestal With Locking Seat Mount Outfit your boat seats with these Wise Fixed Height Seat Pedestals. These pedestals feature a 2-78 diameter aluminum post with a 9 diameter base. Includes seat spider mount with an adjustable knob and locking paddle handle. This pedestal is available in multiple heights. Features 2-78 Diameter post w polished anodized aluminum construction 9 Diameter base w recessed mounting holes 360 Degree rotation with locking knob Class AD certified per