***NO RETAIL BOX Replacing a whole trampoline can be expensive. These parts work with Skywalker Trampolines. The Skywalker 12' Round Replacement Trampoline Enclosure Part, Straight Tube measures 40.5" Length x 1" Width. Product Details: Skywalker Trampoline. 12' Round. Part List Description: Straight Tube. Key # 9. One End is Square, the other end is Round. Sold in quantities of ONE. (Six pieces are needed to complete the trampoline.). Fits 10-FT Models: ATC10B SWTC1000 SWTC100G. Fits 12-FT Models: JTEC12B JTEC12R OWTC12 STEC12B STEC12G STEC12P STEC12R SWJD12 SWJD12B. Fits 14-FT Models: SWTC1400 SWTC1400WS. Fits 15-FT Models: STEC15 STEC155. Fits 13' x 13' Square Trampoline Model: SWTCS1300.