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 (63, 66) disposed in spaced apart facing relation, at least one of the opposed members (63, 66) having an elongate slot formed therein, the opposed member (63, 66) 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 (63, 66) 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 (63, 66) disposed in spaced apart facing relation, at least one of the opposed members (63, 66) having an elongate slot formed therein, the opposed member (63, 66) 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 (63, 66) 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.