Rainchains - Naoki Aluminum Cups Rain Chain - 3139-ALThis original design has vertical, smooth surfaces and a stepped expression ("Naoki" means 'straight' or 'upright' in Japanese). The ring between the connecting wires adds a beautiful finishing touch to the design. All wires and hardware are high grade stainless steel. Features Made of thick, pure unfinished aluminum High Quality Materials, this chain will last for many years! Works well in heavy rain Includes a Gutter V hook for easy installation