The floating guide post made for boat trailer's features the ability to adjust the overall height from 48" - 60". The metal tube is made from heavy-duty 14 gauge steel, pre-galvanized, and powder coated for a durable finish. It features a 30 degree slant through the bottom 18" to allow for varying hull shapes. The PVC pipe is non-marring and designed to hide the floating slot and holes for a clean look. Mounts to trailer cross members 2" by 2" and 2" x 3" frames. All mounting hardware included.