ELITE SALES GALVANIZED SCREW PIN ANCHOR SHACKLE – 1/2″ OUR SCREW PIN ANCHOR SHACKLES MEET THE PERFORMANCE REQUIREMENTS OF FEDERAL SPECIFICATION RR-C-271D TYPE IVA, GRADE A, CLASS 2, EXCEPT FOR THOSE PROVISIONS REQUIRED OF THE CONTRACTOR. WORKING LOAD LIMIT PERMANENTLY SHOWN ON EVERY SHACKLE.