Before you order please check a few notes: 1- Please make sure that the installation method of the pole(use screws bolts ,eyebolts) is suitable for your model; Bottom pole doesn't fit steel connector( see picture in listing) 2- Please make sure that trampoline cap is adapting to different top ring net and fiberglass , NOT for trampoline models use T-Connector to connect between top fiberglass; 3-Please make sure that the size and height of the curved pole set can be adapted to your trampoline.Due to measurement errors, product heights within a little bit inches can generally be adapted; Single Trampoline Curved 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 curve poles trampolines;