The Crosby S319 Hoist Shank Hooks from 500kg to 75 tonnes incorporate markings forged into the product which address two (2) QUIC-CHECK features. They are supplied designed with deformation indicators - two strategically placed marks, one just below the shank or eye and the other on the hook up, which allows for a QUIC-CHECK measurement to determine if the throat opening has changed, thus indicating abuse or overload..
These shackles have capacities from 6.5 to 55 metric tonnes. They are forged - quenched and tempered, with alloy pins. The working load limit is permanently shown on every shackle. The also feature quick-check deformation and angle indicators forged on the bow.
All ROV shackle bows, unless otherwise noted are galvanised and then painted fluorescent yellow.
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