Standard Metric Hook Details Language : English PDF Click Here Description : Pocket card for ironworkers tying rebar (reinforcing bars) for concrete provides standard/metric hook details. Lists recommended end hooks and bend diameter (both depending on bar size); bar size range, depending on type of steel; and the dimensions of various bar size designations. Produced by the Institute of the Ironworking Industry. eLCOSH | CDC | NIOSH | Site Map | Search | Links | Help | Contact Us | Privacy Policy