This Attwood Swivl-Eze Lock'N-Pin ¾-Inch Pedestal Package includes pedestal and base plate to install a boat seat, so all you need to add is the seat of your choice and hardware (sold separately).This Brushed Aluminum finish kit includes an 11-inch-tall post that is topped with a black, e-coated seat mount with spring.Near the bottom of the non-threaded post is a 7-inch x 7-inch aluminum base plate.This kit meets ABYC Code B standards.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.