15ft 3-Beam Hammock Stand - Heavy Duty. The 15BEAM is one of the top selling hammock stands on the market. At 15 feet in length, it can accommodate most spreader bar hammocks that are 10 to 15 feet. It assembles in minutes without any tools and is made from heavy duty steel tubing with a powder coated finish. Its plastic caps are used to cover the ends of each steel piece to create a soft finish.