14" patina copper spinner features and exterior and interior ball bearing swivel for ease of spinning in even the gentlest wind. Comes with a hook for hanging in a tree or from your porch or balcony. Copper will naturally patina over a period of time. Humidity, salinity and temperature will dictate the length of time your copper product will need to obtain a patina finish. If you don't want to wait, this spinner's for you.