Prevent the accidental or unexpected startup or release of stored energy when working on equipment and machinery with tear-proof 24-mil has-laminate tags for use in harsh environments. Chemical-resistant has-laminate tags withstand dirty, greasy industrial environments. The matte surface is scratch resistant, yet easy to write on. Waterproof tags are ideal for extreme weather conditions. Top has 3/8 inch hole reinforced by a pull-proof metal grommet.