The Rack is fastened to the back of the downspout, the Drive goes into the wall (there are different Drives for different wall materials), and the Key is used to lock the Drive to the Rack.
Accessory item is not formed from Freedom Gray coil or sheet product. It is formed from copper product plated with Tin Zinc coating to provide similar color and properties. Freedom Gray is registered trademark of Revere Copper Products, Inc.