Brady's 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.