Campbell QuikAlloy Cradle Grab Hook, 5700 lb, Grade 100, Clevis Attachment, 932 to 516 in, Steel Alloy, Painted Green, For Use With Grade 80100 Chain Slings Campbell Cradle Grab Hook Employed a Rigorous Design Approach That Involved Finite Element Analysis Fea and Repeated Prototype Testing to Develop The Strongest Hook Solution Possible The Precise Shape of The Cradle is Designed to Keep The Captured Center Link Suspended Slightly Above The Bowl of The Hook to Eliminate SideLoading While The Shoulders Support The Adjacent Link to Maximize Chain Strength The Result is a BestInClass Grab Hook That Outperforms The Competition, Eliminating The 20 Working Load Limit Reduction Requirement For Choking Applications