Indusco High Test self-colored Grade 40 drop forged steel clevis grab chain hook. Not for overhead lifting. Failure to follow the instructions for use and these warnings may cause death or serious injury. Never lift with the tip of the hook. Never point load a hook. Do not use hooks for lifting personnel. Hooks must always be inspected for wear, distortion and damage before use. If worn, distorted or damaged, discard and replace. Always stand clear of loads being lifted. 5/8-inches chain size. 12750 pounds Working Load Limit. Working load limit is based on a design factor of 4:1.