A hook assembly , comprising: a hook having a body portion with a first end and a second end , the body portion extending along a curve to a tip disposed at the second end , the body portion having a neck portion disposed in spaced apart relation to the tip such than an opening is formed between the tip and the neck portion , the neck portion having a opening formed therein; a latch having a first end and a second end disposed opposite from the first end , the first end having a pair of opposed members disposed in spaced apart facing relation, at least one of the opposed members having an elongate slot formed therein, the opposed member having a shoulder defined therein, the shoulder disposed at a midportion of the slot , the shoulder configured to engage with a nut , the latch pivotally connected to the neck portion of the hook ; a biasing member configured to bias the latch in a closed position such that the second end of the latch engages with the tip of the hook to close the opening between the tip and the neck portion ; a fastener extending through the openings in the opposed members of the latch and through the opening in the neck portion , the fastener configured to slide along the elongate slot ; wherein the fastener is configured to be inserted into the assembly in a first position while the tension on the biasing member is released, the first position configured to allow the latch to rotate inward past the tip of the hook , the fastener configured to move into a second position where it engages with a nut that when installed is blocked by the shoulder such that the fastener is prevented from sliding along the slot . a hook having a body portion with a first end and a second end , the body portion extending along a curve to a tip disposed at the second end , the body portion having a neck portion disposed in spaced apart relation to the tip such than an opening is formed between the tip and the neck portion , the neck portion having a opening formed therein; a latch having a first end and a second end disposed opposite from the first end , the first end having a pair of opposed members disposed in spaced apart facing relation, at least one of the opposed members having an elongate slot formed therein, the opposed member having a shoulder defined therein, the shoulder disposed at a midportion of the slot , the shoulder configured to engage with a nut , the latch pivotally connected to the neck portion of the hook ; a biasing member configured to bias the latch in a closed position such that the second end of the latch engages with the tip of the hook to close the opening between the tip and the neck portion ; a fastener extending through the openings in the opposed members of the latch and through the opening in the neck portion , the fastener configured to slide along the elongate slot ; wherein the fastener is configured to be inserted into the assembly in a first position while the tension on the biasing member is released, the first position configured to allow the latch to rotate inward past the tip of the hook , the fastener configured to move into a second position where it engages with a nut that when installed is blocked by the shoulder such that the fastener is prevented from sliding along the slot . <EOS>