Universal 3.0 Extreme Duty Receiver Shackle (ED30SHACKLE)Description Fits: 3. 0" Receivers For the times when you must attach a rope, strap, or chain to your truck, it's vital to find the strongest possible point on the vehicle. The Extreme Duty 3. 0" BulletProof Receiver Shackle solves that problem by using a solid steel shank with a 1 1 4" Shackle, that allows you to attach a rope, strap, or chain to your vehicle. This shackle features four different pin holes that allow the user to set the shackle in the