Skywalker Trampoline 15' Round Replacement Enclosure Part, Straight Tube Skywalker Trampoline Enclosure Pole, Lower Enclosure Straight Tube Fits a Skywalker Trampoline, fits only certain models! Check your model number. Original Replacement, you can reuse the top curve pole Lower enclosure pole with square end, DOES NOT fit all models! Upper curve pole sold separately, the lower pole is usually the pole that breaks