Clevis Grab Hook, 1/4", 81502Mfr #: 81502 RELIABLE STRENGTH. With high strength, forged steel construction and precision heat treatment, this clevis hook is rated for a work load limit of 3,150 pounds READY TO WORK. This chain clevis hook is great for connecting heavy duty safety chains or securing transport binder chains. It meets requirements for high test chain SECURE LINK. This clevis grab hook has a grade 70 rating, offering superior tensile strength, resistance to abrasion,