Velda Wind Spinner is very simple to install, heron stop spinner protects your fish pond by scaring herons and other birds from your pond and/or garden. It has a picture of the eye of a bird of prey in its centre, and is made of shiny metal which will reflect the light also scaring away any predators. Can also be used as a pigeon scarer, hanging on a nylon string, thus forming a decorative element as well. Features: - No maintenance required - Stainless steel construction for long life - Includes multi-piece mounting rod and stake - Approx size: 20cm diameter