BulletProof Hitches 2.5" Extreme Duty Receiver Shackle Model ED25SHACKLEBulletProof Hitches 2. 5" Extreme Duty Receiver Shackle Model ED25SHACKLE The BulletProof 2. 5" Extreme Duty Receiver Shackle is a great option for those times when you must attach a rope, strap or chain to your truck. When doing this, it is vital to find the strongest point. The BulletProof Receiver Shackle solves that problem by using a solid steel shank with a 1 1 4" Crosby shackle. Rated for up to 36,000 pounds. The shank features four different