Already have a Forge 15 or F-20? Looking to expand your vehicle's storage capacity without compromising accessibility?. This version of the Ledge is just the top platform and DOES NOT include a swing arm. The Ledge platform is designed to open up a world of possibilities, complete with stout removable side rails and integrated mounting points. Whether functioning as a level surface for your cook stove or a place to keep extra firewood, the Ledge is built to last and accommodate.