Indusco Grade 80 drop forged alloy steel clevis grab hook with cradle. Painted finish. A falling load may cause serious injury or death. Loads may disengage from hook if proper procedures are not followed. Hook must always support the load. The load must never be supported by the latch. Never apply more force than the hooks assigned working load limit (WLL) rating. Follow all Warnings, Use and Application Instructions as supplied by the Manufacturer. Never lift with the tip of hook. 5/8-inches chain size. 18100 pounds Working Load Limit. Working load limit is based on a design factor of 4:1.