OSHA estimates that every year, there are nearly a quarter of a million work zone accidents that require medical attention. Reduce preventable injuries and costly liability today by meeting standards. The “Danger – Hard Hat Area” sign reminds crew members that regulation head protection must be worn in work zones. Made of .040” rust-resistant aluminum, each sign communicates a high-visibility warning in bold, contrasting color. White background, black text, red accent. Measures 18”x12”. Includes ¼” mounting hole in each of the four corners for fast, out-of-the-box installation. Keep shopping 95TSS for more roll up construction signs and safety supplies.