The listing is for a 4-ft rain chain extension made of pure solid copper. It is used to extend Copper Rain Chain of Funnel (Bell, Cup) Shape. This extension chain has 8 cups and can be easily added to your existing rain chain. Each cup is 3 1/4" tall and measures 3 1/4" in the larger end diameter and 1" in bottom diameter. The V shaped attachment piece is not included.