The Exit Sign Damage Stopper® is a protective wire guard that helps protect exit signs against vandalism and accidental damage. It is constructed of 9-gauge, welded steel wire, coated with a tough, corrosion resistant polyester shell. To provide even greater protection against vandalism, tamper resistant screws and a matching bit are available. As all STI protective covers, this Stopper is backed by a three year guarantee against breakage in normal use.