OSHA Danger Tags By-The-Roll: Locked Out Do Not Operate. Provides a quick, simple way to access a large supply of tags to use for many applications. Innovative design stores a large quantity of tags readily available to pull off and use. Conveniently portable and easy to carry around wherever needed. Prevent the potential for accidental injury and property damage. Alert, call out or draw attention to temporary hazards. Required critical tool in safety, performance and maintenance operations. Traditional OSHA-style signs, tags and labels are the most widely recognized design format in the industry. Danger header indicates a hazardous situation that, if not avoided, will result in death or serious injury.