Made from steel. No assembly required. Custom made heavy duty swivel. The Woodpecker deterrent has been specifically designed and developed as a visual woodpecker deterrent, but has been proven to deter additional birds and wildlife. Woodpeckers generally damage your buildings for three reasons: They are searching for insects. The woodpecker creates holes for nesting and shelter. Woodpeckers mark territory by drumming, also called tattooing, tapping, and rapping on your building because it makes a satisfyingly loud noise that proclaims the bird’s territory and attracts a mate. It combines several key components that make this product extremely successful. The woodpecker deterrent features include “Flash” utilizing highly reflective properties, and “Spin” for wildlife as well. The continual movement helps in creating the fear factor of danger. For best results Woodpecker deterrents should be installed approximately every 12’ to 15’ apart. Through our extensive research, we have found that it is extremely successful in deterring Woodpeckers, Chimney Swifts, Herons and Geese. It has also proven successful for additional wildlife. The Woodpecker deterrent is manufactured with all metal components and has no plastic. It is heavy duty, durable and dependable. All of the metal components are either stainless steel or aluminum and are made in the USA. This flasher will outlast all of the others, and can handle strong winds without fail.