CHICAGO Drop Forge Chain Screw Pin Shackle

MADE IN USA!!! Size meet performance of Federal Specifications Specifications RR-C-271D type IVA.
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Hot Galvanized Finish

Size, workig load limit, and trademark are permanently marked on all shackles.  All Shackles and pins are heat treated.  Loads arebased on a safety factor of 6 to 1, except the 1-3/8" shackle which is 5 to 1.

ANY DEVIATIONS SUCH AS ANGULAR LIFTS, SHOCK LOADS, MODIFICATION OF THE BASIC FORGING, ETC, WILL RESULT IN DRASTICALLY REDUCED WORKING LOAD LIMITS.

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