Prevent unauthorized access to confined spaces with the Accuform "Danger Confined Space - Enter By Permit Only" Aluma-Lite Safety Sign. This danger sign delivers a highly visible message in OSHA-compliant black, red, and white colors, clearly indicating a hazard that could cause serious injury if not avoided. Combining high-strength aluminum with a thermoplastic core, this composite sign delivers the durability of solid aluminum at 60 percent of the weight. The printed surface has a UV protective coating that resists chemical exposure and abrasion--making it ideal for use in harsh environments. With its rounded corners and 1/4-inch mounting holes, this compliance sign is easy to install on a variety of surfaces. This Accuform industrial sign complies with OSHA 29 CFR 1910.145 and ANSI Z535 requirements. Choose from a wide range of Accuform OSHA signs to achieve standardized, durable, and cost-effective messaging throughout your entire workplace facility.