This is the Cable Wire Top Ring compatible for the 14' Bounce Pro Sports Power Trampoline Model # TR-1686-TPR. This is the wire/tube that slides through the very top of the enclosure netting sleeve, forming the top ring of the trampoline enclosure system. This is the cable only.
Key #C in User Manual - Manufacturer Part # ECW-14-6P
These are sold as a set of 12, which is the complete set in the original trampoline.
The compatible model of trampoline was a popular trampoline found in Wal-Mart & K-Mart n 2010 & 2011.