This adjustable Attwood Seat Mount with a swivel action can accept seats with all the most popular mounting hole patterns. This durable reliable seat mount features aluminum construction with a black powder-coated finish. It adjusts from 7 ½ inches to 18 inches and is ideal for use in Jon boats. This Seat Mount meets ABYC Code B. Attwood Corporation has been an award-winning leader in engineering testing and manufacturing of the highest quality marine products for over 100 years. We deliver safe and reliable lighting fuel systems water systems seating & pedestals swim ladders custom upholstery and general marine accessories that are easy to install and meet regulatory compliance.