This product can only be ordered from a Rutgerson dealer.
The thimble fitting holds the wire in place and displays the forces proportionally between the ring, the thimble fitting and the cloth.
The wire rope in the leech of the tarp/sail is guided over the Support Thimble (a).
Turnbuckle or fork-terminal is linked into the Super Ring for transferring the tension of the tarp to the superstructure carrying the cloth. (b)