Assures continued operation of Hubbell lights. Here is an excellent way to protect your outdoor lights against both vandalism and accidental damage. One of the newest members of the STI Wire Guard Team, this Stopper was created in response to multiple requests from STI customers. It's easy to install with all fasteners provided. Constructed of tough, 9-gauge steel wire that is coated with corrosion resistant white polyester. It is not surprising that STI backs it with a lifetime guarantee against breakage in normal use. This Stopper is highly recommended for areas where abuse is severe or it is imperative that lights continue to operate.