replacement top rail without sockets for the 14' bounce pro flex models bounce pro replacing a whole trampoline can be expensive. only replace the parts you need by purchasing authentic bounce pro parts. these parts work with the original manufacture parts. the bounce pro 14' flex model replacement top rail (without sockets), measures 44.25" length x 1.75" width x 1.5" height. product details: bounce pro. 14' round. description: top rail (without leg sockets). key # 4. sold in quantities of one. (six pieces are needed to complete the trampoline.) each top rail holds six springs. part number: tr-14-72-42. fits model: all 14' flex models, tr-14-63a, tr-16803es-wmc, 5f60753, tr-168nsf-fzwm, tr-168nsf-fzen, tr-146sfz-by, tr-146sfz-enc,tr14es-fsxt, tr-14es-fsxe.