This is one piece of railing of the trampoline (Round frame of the trampoline, allows springless and spring fittings).

Our 16 Foot Trampoline size parts will fit other Lifespan 16 Foot Trampoline components. Sizes vary for different sized Trampoline Parts. Numbers of railings required to construct a trampoline varies on size. Please contact us for further assistance prior to purchasing our separate parts.