Please note that B0F13QD3XH (8 sets trampoline curved poles with plastic T connectors?and B0DSFJ791R,B0DSFHBK5N,B0DSFHZZ9F( trampoline fiber glass rods for plastic caps) models are not compatible, please do not buy together; 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 plastic T Connector is adapting to your top ring net and fiberglass, NOT for trampoline models use plastic tube caps 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; 8 Trampoline Curved Net Pole: 8 Upper ,8 Lower Enclosure Pole ; Material: Rust-resistant galvanized steel ,PE This enclosure pole should suit trampolines sizes 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;