Wise Fixed Height Seat Pedestal - Various Lengths These Wise Fixed Height Seat Pedestals are built tough to withstand marine environments. These pedestals include a seat spider mount with adjustment knob and locking paddle handle. The standard 5-14 hole pattern fits almost all marine seat brands. Features 2-38 Diameter Post w Polished Anodized Aluminum Construction 9 Diameter Base w Recessed Mounting Holes 360 Degree Rotation with Locking Knob Class AD Certified per ABYC Standards 3 Year Manufac