When you need a strong shackle, you can rely on the Crosby 12-Piece Heavy Duty Shackle Kit. Not only are the shackles and links in this kit all drop forged. They also have a very high working load limit. (2) 1.25″ Alloy Master Links with 36,200 lbs WLL (2) 1″ Screw Pin Shackles with 18,750 lbs WLL (6) 1.25″ Screw Pin Shackles with 26,450 lbs WLL (2) 1.5″ Screw Pin Shackles with 37,480 lbs WLL Drop forged