Bradys Inspection Tags inform employees that equipment has been inspected, and is safe and in good condition. Tags meet OSHA Standard 1910.145 for accident prevention. Tags feature two chamfered corners and a 3/8" grommeted hole. Brady B-853 is a surface printed cardstock tag. Substrate Type: Paper cardstock. Thickness (ASTM D 1593): Total: 0.010" (0.25mm). Average Outdoor Durability: Not recommended for outdoor use. Chemical Resistance: Not recommended for chemical exposure.