Helm seat mount for boats
HelmChair.com

Our Elite Series of slides and swivels feature the highest quality and detail. These units are strong and sturdy and designed for those who demand a clean, neat unit that enhances the appearances of the boat it is mounted on.
The Elite 100 Slide and Slide/Swivel feature a surface mount with a unique and innovative design that allows installation and removal, if necessary, with ease. Both units have a low profile design. The slide height is 3 ¼". The slide/swivel has a height of 3 ½".
The Elite swivel for the above unites is designed with a large pivot area that insures stability and the points of attachment of the swivel to the seat mount are spread to add stability and structural integrity. The Elite swivels offer variable locking positions (1 to 8).
The Elite slide and slide/swivel have an 8 ¼" x 13" slide plate and a 5 3/8" fore and aft movement. Also available are slide plate extensions which, when attached to the slide plate, offer an 14" x 13" mounting platform for the seat.
The Elite series is a line-up of premium slides and slide/swivels. These units are easy to operate, dependable and tough, and feature detailing and styling that enhances the appearance of the units.