Widely Compatible: This versatile boat pedestal fits many types of boat seats, letting you enjoy water sports like fishing and boating on fishing boats, yachts, canoes, and more! Knob Locking: Quickly lock the adjustable boat seat mount height and angle with the knob to avoid wobbling, improving stability and keeping you comfortable during use. Universal Installation:Pre-drilled holes on the adjustable boat seat base make it easy to attach to your deck. Just align the holes with the components and secure the base in place. Note: Stainless steel screws are required for installation (not included). Aluminum Alloy Construction: Our adjustable boat seat pedestal is made from heavy-duty aluminum alloy, providing increased support and durability. The thickened aluminum resists deformation and the waterproof features avoid corrosion, making it great for outdoor and marine environments. Three Flexible Adjustments: The boat seat pedestal provides 13.39-19.2 inch (340-490 mm) height adjustment, 360° angle adjustments, and forward/backward sliding to help you find the ideal seating position. Enjoy enhanced comfort and a better view!