Safety Signs identify and indicate potential, type, and degree of hazards that may lead to accidental injury or property damage. Aluminum signs withstand washdowns, harsh elements, abusive conditions, and feature good chemical, abrasion, and impact resistance. Aluminum is excellent for indoor and outdoor usage, making it ideal for a wide variety of industrial-strength applications. Accuform® Danger Sign, Header: DANGER, Text Legend, AUTHORIZED PERSONNEL ONLY Legend, Aluminum, Through Hole Mount, 10 in Height, 14 in Width, Black on White Sign/White on Black/Red Header