Single Trampoline Net Pole: 1 Upper ,1 Lower Enclosure Pole ; only 1 set can fit together,not whole set; Material: Rust-resistant galvanized steel ,PE This enclosure pole should suit trampolines sizes 10,12, 13, 14, 15 and 16 ft, compatible with trampoline legs of up to 1.5" diameter, Fits trampolines that the poles style is straight poles trampolines; The trampoline enclosure pole's height is adjustable when you use the U clamps to fix; Packing list 1 x upper enclosure net pole 1 x lower enclosure net pole/b> 1x pole cap 2 x trampoline enclosure pole foam 2x screws and bolts 2x U clamp 1x installation manual