This lower enclosure net pole fits several different Skywalker Trampoline models. This is not universal for other brands, this will only fit Skywalker. This is a smaller diameter than the larger models, this will not fit the bigger Skywalker models, you need SH4135, not on Amazon. Find your model number on your trampoline. If you can't find your model number, please contact us. Fits 10ft models: ATC10B SWTC1000 SWTC100G. Fits 12ft models: JTEC12B JTEC12R OWTC12 STEC12B STEC12G STEC12P STEC12R SWJD12 SWJD12B. Fits 14ft models: SWTC1400 SWTC1400WS. Fits 15ft models: STEC15 STEC155. Fits 13x13 Square trampoline model: SWTCS1300. IF YOU DO NOT SEE YOUR MODEL NUMBER, PLEASE CONTACT US. Do not order if your trampoline does not say Skywalker Trampolines. If you need a bigger size, it is probably the SH4135 pole. This is not universal, most customers need a larger SH4135 which is not sold here.