THE RING SERVES THE PURPOSE OF HOLDING UP THE 4'' BOTTOM BALL ON WEATHERVANES OR LIGHTENING RODS. THEY ALSO CAN HOLD UP THE BALL ON 4'' AND 6'' COPPER AND GLASS WEATHERVANE BALLS.

PLEASE NOTE THIS IS NOT A CHEAP PART,WILL LAST FOR YEARS AND YEARS,,,,,,AND WILL NOT RUST,,,BUYER BEWARE!!!!! DO YOU REALLY WANT TO PAY FOR SOMEONE TO FIX YOUR WEATHERVANE AGAIN IN A FEW YEARS,,,??? THEN BUY BRASS !!!