Safety Technology International, Inc. - STI 13200NC Universal Stopper Surface Mount. Clear polycarbonate protector helps stop vandalism, accidental damage and tampering. Protects devices such as dual action pull stations, keypads for entry systems, intercom systems, emergency buttons, electrical light switches, duplex plugs, etc. against vandalism and accidental damage. UV-stabilized cover stays clear and will not haze. ADA Compliant and low profile at less than 4" in depth. Large interior can accommodate most dual action pull stations. High strength continuous hinge. Three year guarantee against breakage of polycarbonate in normal use. Safety Technology International, Inc. "We protect the things that protect you"